Saturday, February 29, 2020

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 396

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 396



harness connector at both sensors.



5. Ignition ON, verify the DTC is set for the new location in which the malfunctioning sensor is installed.



瀚慖f the DTC does not set for the new location, test the signal circuit terminal 3 for a short to voltage, short to ground, or an open/high



resistance. If the circuit tests normal, replace the K41 Parking Assist Control Module.



6. If the DTC sets for the new location in which the malfunctioning sensor is installed, replace the appropriate front object sensor.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Front Object Alarm Sensor Replacement (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist



Systems/Parking Assist Distance Sensor/Service and Repair/Front Object Alarm Sensor Replacement)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for parking assist control module replacement,



setup and programming



B0956



DTC B0954, B0955, B0956, or B0957



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC B0954 01



- Parking Aid Front Sensor Left Corner Circuit Short to Battery



DTC B0954 06



- Parking Aid Front Sensor Left Corner Circuit Low Voltage/Open



DTC B0954 08



- Parking Aid Front Sensor Left Corner Circuit Performance - Signal Invalid



DTC B0954 21



- Parking Aid Front Sensor Left Corner Circuit Incorrect Period



DTC B0954 3A



- Parking Aid Front Sensor Left Corner Circuit Incorrect Component Installed



DTC B0955 01



- Parking Aid Front Sensor Left Middle Circuit Short to Battery



DTC B0955 06



- Parking Aid Front Sensor Left Middle Circuit Low Voltage/Open



DTC B0955 08



- Parking Aid Front Sensor Left Middle Circuit Performance - Signal Invalid



DTC B0955 21



- Parking Aid Front Sensor Left Middle Circuit Incorrect Period



DTC B0955 3A



- Parking Aid Front Sensor Left Middle Circuit Incorrect Component Installed



DTC B0956 01



- Parking Aid Front Sensor Right Middle Circuit Short to Battery



DTC B0956 06



- Parking Aid Front Sensor Right Middle Circuit Low Voltage/Open



DTC B0956 08



- Parking Aid Front Sensor Right Middle Circuit Performance - Signal Invalid

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 851

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 851



Electronic Suspension Control Description and Operation (See: Steering and Suspension/Suspension/Suspension Control ( Automatic - Electronic



)/Description and Operation)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



Ignition ON, observe the scan tool Vertical Body Acceleration parameters. The parameters should be 0 m/s(2).



Circuit/System Testing



1. Ignition ON, verify that DTC C0870 is not present.



瀚慖f the DTC is present, refer to DTC C0870 (See: C Code Charts/C0870) to diagnose that DTC prior to this diagnostic.



2. Ignition OFF, disconnect the harness connector at the appropriate B162 vertical body acceleration sensor.



3. Ignition OFF, open/close doors, and wait 60 seconds. Test for less than 5 ohm between the low reference circuit terminal 3 and ground.



瀚慖f greater than the specified value, test the low reference circuit for short to voltage or an open/high resistance. If the circuit tests normal,



replace the K19 suspension control module.



4. Ignition ON, test for 4.8-5.2 V between the 5 V reference circuit terminal 1 and ground.



瀚慖f less than the specified range, test the 5 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal,



replace the K19 suspension control module.



瀚慖f greater than the specified range, test the 5 V reference circuit for a short to voltage. If the circuit tests normal, replace the K19



suspension control module.



5. Verify the scan tool Vertical Body Acceleration parameter is less than -3 m/s(2).



瀚慖f greater than the specified value, test the signal circuit for a short to ground. If the circuit tests normal, replace the K19 suspension



control module.



6. Install a fused jumper wire between the signal circuit terminal 2 and the low reference circuit terminal 3.



7. Verify the scan tool Vertical Body Acceleration parameter is greater than 3 m/s(2).



瀚慖f less than the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace



the K19 suspension control module.



8. If all circuits test normal, replace the B162 vertical body acceleration sensor.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Electronic Suspension Front Vertical Accelerometer Replacement - Upper (See: Sensors and Switches/Sensors and Switches - Steering and



Suspension/Sensors and Switches - Suspension/Acceleration Sensor/Service and Repair/Electronic Suspension Front Vertical Accelerometer



Replacement - Upper)



* Electronic Suspension Rear Position Sensor Replacement (See: Sensors and Switches/Sensors and Switches - Steering and



Suspension/Sensors and Switches - Suspension/Ride Height Sensor/Service and Repair)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for suspension control module replacement, setup



and programming



C0605



DTC C0595, C0600, or C0605

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 107

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 107



瀚慖f greater than the specified range, test both control circuits terminals for an open/high resistance. If the circuits test normal, replace the



K36 SDM.



7. If all circuits test normal, replace the F105, F106 air bag or F112 seat belt retractor pretensioner.



DTC B0019-B0020



1. Ignition OFF, disconnect harness connector X206.



2. Disconnect the scan tool.



3. Wait 120 seconds, test for greater than 25 ohm between the control circuit terminals listed below on the SDM side of the connector:



* F105 Passenger instrument panel air bag stage 1 X206 terminal 1 and 2



* F105 Passenger instrument panel air bag stage 2 X206 terminal 4 and 5



瀚慖f less than the specified range, test for a short between the control circuits, check each connector and CPA to ensure that the shorting



bars are lifted. If the circuits and shorting bars tests normal, replace the K36 SDM.



4. Ignition ON, test for less than 11 V between the control circuit terminals listed below and ground:



* X206 control circuit terminal 1



* X206 control circuit terminal 2



* X206 control circuit terminal 4



* X206 control circuit terminal 5



瀚慖f greater than the specified range, test the control circuit for a short to voltage. If the circuit tests normal, replace the K36 SDM.



5. Ignition OFF, test for greater than 25 ohm between the control circuit terminals listed below and ground:



* X206 control circuit terminal 1



* X206 control circuit terminal 2



* X206 control circuit terminal 4



* X206 control circuit terminal 5



瀚慖f less than the specified range, test the control circuit for a short to ground. If the circuit tests normal, replace the K36 SDM.



6. Install a 3 A fused jumper wire between the control circuit terminals listed below:



* F105 Passenger instrument panel air bag stage 1 X206 terminal 1 and 2



* F105 Passenger instrument panel air bag stage 2 X206 terminal 4 and 5



7. Verify the scan tool Deployment Loop Resistance parameter is less than 2 ohm.



瀚慖f greater than the specified range, test both control circuits terminals for an open/high resistance. If the circuits test normal, replace the



K36 SDM.



8. If all circuits test normal, replace the F105 passenger instrument panel air bag.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Driver or Passenger Seat Side Inflatable Restraint Module Replacement (See: Restraints and Safety Systems/Air Bag Systems/Air



Bag/Service and Repair/Removal and Replacement/Driver or Passenger Seat Side Inflatable Restraint Module Replacement)



* Seat Belt Retractor Pretensioner Replacement - Front (See: Restraints and Safety Systems/Seat Belt Systems/Seat Belt Tensioner/Service



and Repair/Removal and Replacement/Seat Belt Retractor Pretensioner Replacement - Front)



* Instrument Panel Inflatable Restraint Module Replacement (See: Restraints and Safety Systems/Air Bag Systems/Air Bag/Service and



Repair/Removal and Replacement/Instrument Panel Inflatable Restraint Module Replacement)



* Roof Side Rail Inflatable Restraint Module Replacement (See: Restraints and Safety Systems/Air Bag Systems/Air Bag/Service and



Repair/Removal and Replacement/Roof Side Rail Inflatable Restraint Module Replacement)



* SIR/SRS Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Wiring Repairs/SIR/SRS Wiring Repairs)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for SDM replacement, setup, and programming



B0020



DTC B0014-B0045



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 307

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 307



The headlamp switch is supplied with ground at all times. When the headlamp switch is placed in either the park or low beam position, ground is



applied to the tail lamp signal circuit to the body control module (BCM). The BCM responds by applying battery voltage to the left/right park



lamps, left/right side marker lamps and left/right tail lamps. This energizes the appropriate lamp.



Conditions for Running the DTC



* The engine is running.



* Headlamp switch in AUTO position.



* The ambient light is day.



Conditions for Setting the DTC



B260B 01 or B260C 01



The BCM detects a short to voltage on the daytime running lamp relay control circuit.



B260B 02 or B260C 02



The BCM detects a short to ground on the daytime running lamp relay control circuit.



B260B 04 or B260C 04



The BCM detects an open/high resistance on the daytime running lamp relay control circuit.



Action Taken When the DTC Sets



B260B 01 or B260C 01



The appropriate daytime running lamp will be continuously illuminated.



B260B 02, B260C 04, B260B 02 or B260C 04



The appropriate daytime running lamp will be inoperative.



Conditions for Clearing the DTC



* The DTC will be current for as long as the fault is present.



* When the fault is no longer present, the DTC will be a history DTC.



* A history DTC will clear after 50 ignition cycles.



Reference Information



Schematic Reference



Exterior Lights Schematics (See: Diagrams/Electrical Diagrams/Lighting and Horns/System Diagram/Exterior Lights Schematics)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Exterior Lighting Systems Description and Operation (See: Lighting and Horns/Description and Operation/Exterior Lighting Systems)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning)



Circuit/System Verification



Ignition ON, command the Left Dedicated Daytime Running Lamp and the Right Dedicated Daytime Running Lamp ON and OFF with a scan tool.



The E4C daytime running lamp - left and the E4D daytime running lamp - right should turn ON and OFF while changing between the commanded

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 208

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 208



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC B101D XX



- ECU Hardware



Circuit/System Description



The internal fault detection is handled inside the control module. The symptom byte listed in the DTC Descriptor is for engineering reference only.



No external circuit diagnosis is involved.



Conditions for Running the DTC



The module runs the program to detect an internal fault when power up is commanded. The only requirements are voltage and ground. This



program runs even if the voltage is out of the valid operating range.



Conditions for Setting the DTC



The module has detected an internal malfunction.



Action Taken When the DTC Sets



The module refuses all additional inputs.



Conditions for Clearing the DTC



* A current DTC clears when the malfunction is no longer present.



* A history DTC clears when the module ignition cycle counter reaches the reset threshold of 50, without a repeat of the malfunction.



Diagnostic Aids



* This DTC may be stored as a history DTC without affecting the operation of the control module.



* Do not replace a control module based only on DTC B101D being set in history with the exception of the following control modules:



- K36 Inflatable Restraint Sensing and Diagnostic Module (SDM)



- K85 Passenger Presence Detection Module



- K10 Coolant Heater Control Module



* If DTC B101D is set as current, replace the appropriate control module.



Circuit/System Verification



Verify that DTC B101D is not set.



If the DTC is set, replace the module that set the DTC.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the repair.



Control Module References (See: Testing and Inspection/Programming and Relearning) for module replacement, setup, and programming



B101E



DTC B101E



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 959

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 959



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC P0016



- Crankshaft Position - Intake Camshaft Position Not Plausible Bank 1



DTC P0017



- Crankshaft Position - Exhaust Camshaft Position Not Plausible Bank 1



DTC P0018



- Crankshaft Position - Intake Camshaft Position Not Plausible Bank 2



DTC P0019



- Crankshaft Position - Exhaust Camshaft Position Not Plausible Bank 2



Circuit/System Description



The engine control module (ECM) uses the crankshaft position sensor and the camshaft position sensor pulses to monitor the correlation between



the crankshaft and the camshaft position. An improper relative position can be caused by either engine timing or improper indexing of the camshaft



drive chain.



Conditions for Running the DTC



* DTCs P0010, P0011, P0013, P0014, P0020, P0021, P0023, P0024, P2088, P2089, P2090, P2091, P2092, P2093, P2094, or P2095 are not



set.



* The engine is operating for greater than 2 s.



* The engine must accelerate such that the camshaft position actuator system is commanded from the park position to the phased position. This



is considered a cam control cycle. There must be a minimum of 2 cam control cycles for at least 2.5 s each in the phased position.



* DTC P0016, P0017, P0018, and P0019 run continuously when the above conditions are met for approximately 10 min.



Conditions for Setting the DTC



The ECM detects the ECM learned camshaft position angle is greater than 10 degrees advanced or 10 degrees retarded in relationship to the



crankshaft.



OR



The ECM detects the actual camshaft angle is advanced 15 degrees or retarded 21 degrees in relationship to the camshaft parked/reference position



for greater than 10 s.



Action Taken When the DTC Sets



DTCs P0016, P0017, P0018, and P0019 are Type B DTCs.



Conditions for Clearing the DTC



DTCs P0016, P0017, P0018, and P0019 are Type B DTCs.



Diagnostic Aids



* Inspect the engine for any recent engine mechanical repairs. An incorrectly installed camshaft, camshaft actuator, camshaft sensor, crankshaft



sensor, or timing chain can cause this DTC to set.



* An actuator that is in the full advance or retard position can cause this DTC to set.



* The presence of DTCs P0008 and P0009 along with P0016, P0017, P0018, and P0019 indicates a possible condition with the primary timing



chain and the alignment between both intermediate sprockets and the crankshaft. Or, the crankshaft reluctor wheel has moved and is no



longer referenced to top dead center (TDC).



* Observing the desired and actual camshaft angle parameters, with a scan tool before a DTC sets, may help to isolate whether a condition is



specific to one camshaft, one bank, or caused by a condition with the primary crankshaft timing.



Reference Information



Schematic Reference



Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics



(LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)



Connector End View Reference

Friday, February 28, 2020

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 272

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 272



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC B251A 01



- All Door Unlatch Circuit Short to Battery



DTC B251A 02



- All Door Unlatch Circuit Short to Ground



DTC B251B 02



- Driver Door Unlatch High Control Circuit Short to Ground



DTC B251B 04



- Driver Door Unlatch High Control Circuit Open



DTC B251C 04



- Passenger Door Unlatch High Control Circuit Open



DTC B251D 04



- Left Rear Door Unlatch High Control Circuit Open



DTC B251E 04



- Right Rear Door Unlatch High Control Circuit Open



Diagnostic Fault Information



Circuit/System Description



The system is designed so that when the operator approaches a locked vehicle with the keyless entry transmitter, the keyless entry control module



will detect the keyless entry transmitter and when an exterior door handle is pulled the keyless entry control module will command all doors to



unlock and the door to unlatch allowing the door to be pulled open.



Conditions for Running the DTC



The system voltage is 9-16 V.



Conditions for Setting the DTC

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 993

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 993



6. If all circuits/connections test normal, test or replace the B52 Heated Oxygen Sensor.



Component Testing



1. Ignition OFF, disconnect the harness connector at the B52 Heated Oxygen Sensor.



2. Test for 5-25 ohm between the control terminal 2 and the ignition terminal 1 of the B52 Heated Oxygen Sensor.



瀚慖f not within the specified range, replace the B52 Heated Oxygen Sensor.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Heated Oxygen Sensor Replacement - Sensor 1 (LAU) (See: Powertrain Management/Computers and Control Systems/Oxygen



Sensor/Service and Repair/Heated Oxygen Sensor Replacement - Sensor 1)



* Heated Oxygen Sensor Replacement - Sensor 2 (LAU) (See: Powertrain Management/Computers and Control Systems/Oxygen



Sensor/Service and Repair/Heated Oxygen Sensor Replacement - Sensor 2)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for Engine Control Module replacement, setup, and



programming



P0032



DTC P0030, P0031, P0032, P0036, P0037, or P0038 (Without LF1)



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC P0030



- HO2S Heater Control Circuit Sensor 1



DTC P0031



- HO2S Heater Control Circuit Low Voltage Sensor 1



DTC P0032



- HO2S Heater Control Circuit High Voltage Sensor 1



DTC P0036



- Heater Control Circuit Sensor 2



DTC P0037



- HO2S Heater Control Circuit Low Voltage Sensor 2



DTC P0038



- HO2S Heater Control Circuit High Voltage Sensor 2



Diagnostic Fault Information



Circuit Description



The heated oxygen sensor (HO2S) heater reduces the time required for the oxygen sensor to reach operating temperature and maintains the



operating temperature during extended idle periods. When the ignition is turned to the ON position, ignition voltage is supplied directly to the



sensor heater. The Engine Control Module (ECM) controls the heater operation by first modulating the control circuit to ground when the sensors



are cold. This prevents the possibility of thermal shock to the sensor, from condensation build-up on the sensor, by controlling the sensors rate of



heating. After a predetermined amount of time, the ECM commands the heaters ON continuously. Once the sensor reaches operating temperature,

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 591

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 591



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC B2657 02



- Ignition Switch Halo Lamp Circuit Short to Ground



Diagnostic Fault Information



Circuit/System Description



The body control module (BCM) supplies a voltage reference through the backlight dimmer switch, which is part of the headlamp switch. When the



dimmer switch is placed in a desired brightness position, reference voltage is applied through the backlight dimmer switch to the BCM. The BCM



interprets this voltage signal, then applies a pulse width modulated (PWM) voltage through the backlight lamp control circuit. This will illuminate



the ignition mode switch halo lamp.



Conditions for Running the DTC



* The ignition is ON.



* The headlamps or park lamps are ON.



Conditions for Setting the DTC



The BCM detects a short to ground on the ignition switch halo lamp control circuit.



Action Taken When the DTC Sets



The BCM will not illuminate the ignition switch halo lamp.



Conditions for Clearing the DTC



* The condition responsible for setting the DTC no longer exists.



* A history DTC will clear once 100 consecutive malfunction ignition cycles have occurred.



Reference Information



Schematic Reference



Interior Lights Dimming Schematics (See: Diagrams/Electrical Diagrams/Lighting and Horns/System Diagram/Interior Lights Dimming



Schematics)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Interior Lighting Systems Description and Operation (See: Lighting and Horns/Description and Operation/Interior Lighting Systems)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Technical Service Bulletin # 11-08-43-001 Date: 110801

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Technical Service Bulletin # 11-08-43-001 Date: 110801



2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 138



Body/Glass - Windshield Wiper Chatter/Noise/Streaking



TECHNICAL



Bulletin No.: 11-08-43-001



Date: August 01, 2011



Subject: Windshield Wiper Chatter/Noise and/or Streaking (Perform Cleaning, Replace Wiper Blade as Necessary)



Models:



2007-2011 Cadillac Escalade, Escalade ESV, Escalade EXT



2007-2011 Chevrolet Avalanche, Suburban, Tahoe



2007-2011 GMC Yukon, Yukon XL



Avalanche and Escalade EXT Built Prior to March 17, 2011



All Other Utility Models Built Prior to April 4, 2011



Condition



Some customers may comment on windshield wiper chatter/noise, or that the wipers are streaking.



Cause



Most wiper conditions are caused by either contamination or damage. Contamination by bugs, road grime, sap and/or a buildup of vehicle



wash/wax treatments may cause wiper streaking. Wipers can be damaged by any of the following:



- Extreme dusty conditions



- Sand and salt



- Heat and sun



- Improper removal of snow and ice



Correction



Note



Additional information on wiper performance, cleaning and maintenance can be found in Corporate Bulletin Number 06-08-43-003C.



Wash the windshield thoroughly and clean the outside of the windshield with glass cleaner. Also clean the rubber wiper blades using a lint free



cloth or paper towel soaked with windshield washer fluid or a mild detergent.



Tip



For a larger scale buildup on the windshield, use a non-abrasive cleaner such as Bon-Ami* (www.faultless.com) cleanser with a wet sponge, being



sure to use plenty of water to avoid scratching the glass. Flush the surface and body panels completely.



If cleaning does not improve the condition, replace the windshield wiper blades with GM P/N 22793882. The replacement blade is a dual extrusion



rubber material for durability performance.



Note



The outboard end of the passenger side wiper tends to sit off the surface of the windshield due to the design of the wiper blade, and the curvature of



the glass. This is a normal condition which leaves a "no contact" area at the lower edge of the wipe pattern, and no correction should be attempted.



The Full Size Utilities use a conventional blade design, which has a slightly different interface to the windshield than the flat blade design used on



the Pickups. Examples of the two designs and are shown in the graphics below:



Utilities



2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 139



Pickups



* We believe this source and their products to be reliable. There may be additional manufacturers of such products/materials. General Motors does



not endorse, indicate any preference for, or assume any responsibility for the products or material from this firm or for any such items that may be



available from other sources.



Parts Information



Warranty Information



For vehicles repaired under warranty, use the table.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 992

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 992



* If the condition is intermittent, move the related harnesses and connectors, with the engine operating, while monitoring the scan tool circuit



status parameters for the component. The circuit status parameters change from OK or Not Run to Fault if there is a condition with the circuit



or a connection.



* An open fuse in the HO2S heater circuit may be caused by the heater element in one of the sensors. The condition may not be present until



the sensor operates for a period of time. If no fault is present in the heater circuit, monitor the amperage of each heater using the DMM to



determine if one of the heater elements is the cause of the open fuse. Inspect the sensor pigtail or the harness for contacting the exhaust



system.



Reference Information



Schematic Reference



Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics



(LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



DTC Type Reference



Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code



(DTC) Type Definitions)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



1. Engine idling at operating temperature for at least 30 s. Observe the DTC information, DTCs P0030, P0031, P0032, P0036, P0037, and



P0038 should not set.



2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the



conditions that you observed from the Freeze Frame/Failure Records data.



Circuit/System Testing



1. Ignition OFF, disconnect the harness connector at the appropriate B52 Heated Oxygen Sensor.



2. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 1 and ground.



Note: The ignition circuit supplies voltage to other components. Make sure you test all circuits for a short to ground or test all components



for being shorted that share the ignition circuit.



瀚慖f the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance. If the circuit tests normal and



the ignition circuit fuse is open, test all the components connected to the ignition circuit and replace as necessary.



3. Connect a test lamp between the heater control circuit terminal 2 and B+. The test lamp should not illuminate.



瀚慖f the test lamp is always ON, test the control circuit for a short to ground. If the circuit/connections test normal, replace the K20 Engine



Control Module.



Note: The control circuit for the HO2S heater is pulled-up to voltage within the ECM, 2.0-3.0 V on the control circuit is normal.



4. Idle the engine, and verify the test lamp illuminates or flashes.



瀚慖f the test lamp is always OFF, test the control circuit terminal 2 for an open/high resistance. If the circuit/connections test normal, replace



the K20 Engine Control Module.



5. Ignition ON, test for 2.0-3.0 V between the control circuit terminal 2 and ground.



瀚慖f not within the specified range, test the control circuit for a short to voltage. If the circuit/connections test normal, replace the K20



Engine Control Module.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 778

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 778



C0035 0F - C0050 0F



* Ignition ON



* Vehicle speed is greater than 35 km/h (22 mph)



C0035 18 - C0050 18



* Ignition ON



* Vehicle speed is greater than 10 km/h (6 mph)



C0035 5A - C0050 5A



* Ignition ON



* Vehicle speed is greater than 20 km/h (13 mph)



Conditions for Setting the DTC



C0035 06 - C0050 06



A short to voltage, short to ground or open/high resistance on the wheel speed sensor 12 V reference or low reference circuit is detected for 0.14



second.



C0035 0F - C0050 0F



An erratic wheel speed sensor signal is detected for 0.17 second.



C0035 18 - C0050 18



A missing wheel speed sensor signal is detected for 180 seconds.



C0035 5A - C0050 5A



Difference between fastest and slowest wheel speed is greater than 50% for 30 seconds.



Action Taken When the DTC Sets



* The EBCM disables the ABS, traction control, and stability control for the duration of the ignition cycle.



* The ABS indicator turns ON.



* The traction control/stability control-active indicator turns ON.



Conditions for Clearing the DTC



* A current DTC clears when the diagnostic runs and passes.



* The EBCM will turn OFF the indicator in the next ignition cycle.



Diagnostic Aids



* Do not use a magnet to clean the encoder ring.



* If 2 or more wheel speed sensors are inoperative, diagnose each wheel speed sensor individually.



Reference Information



Schematic Reference



Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)

Thursday, February 27, 2020

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 3044

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 3044



瀚慖f greater than the specified value, test the ground circuit for an open/high resistance. If the circuit tests normal, replace the EBCM.



4. If all circuits test normal, replace the yaw rate sensor.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* GMLAN Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Wiring Repairs/GMLAN Wiring Repairs)



* ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and



Operation/ABS Description and Operation) for the ABS - Hybrid



* Vehicle Yaw Sensor with Vehicle Lateral Accelerometer Replacement (See: Brakes and Traction Control/Antilock Brakes / Traction



Control Systems/Yaw Rate Sensor/Service and Repair/Less than 3900 kg (8600 lb) GVW) for the ABS - Non-Hybrid Less than 3900 kg



(8600 lb) GVW



* Vehicle Yaw Sensor with Vehicle Lateral Accelerometer Replacement (See: Brakes and Traction Control/Antilock Brakes / Traction



Control Systems/Yaw Rate Sensor/Service and Repair/Less than 3900 kg (8600 lb) GVW) for the ABS - Non-Hybrid Greater than/Equal to



3900 kg (8600 lb) GVW



* Control Module References (See: Testing and Inspection/Programming and Relearning) for module replacement, setup, and programming



U2199



DTC U2105-U2199



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC U2142 00



- Lost Communication With Yaw Rate Sensor (YRS)



Circuit/System Description



Modules connected to the CAN bus serial data circuits monitor for serial data communications during normal vehicle operation. Operating



information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be



exchanged on the serial data circuits. The messages are supervised and also, some periodic messages are used by the receiver module as an



availability indication of the transmitter module. Each message contains the identification number of the transmitter module.



The electronic brake control module (EBCM) activates the other modules connected to the CAN serial data circuits by applying voltage when the



ignition key is in ACC, ON or START. The EBCM, Yaw Rate and Lateral Acceleration Sensor are the only modules connected to the CAN bus



serial data circuits. For more information on CAN bus serial data refer to Data Link Communications Description and Operation (See: Powertrain



Management/Computers and Control Systems/Information Bus/Description and Operation).



Conditions for Running the DTC



* The system voltage is between 9-16 volts.



* The vehicle power mode master requires serial data communication to occur.



Conditions for Setting the DTC



A supervised periodic message that includes the transmitter module availability has not been received.



Action Taken When the DTC Sets



* The vehicle stability enhancement system (VSES), if equipped, and traction control system (TCS) will not function.



* System OFF lamps will illuminate for these systems.



Conditions for Clearing the DTC



* A current DTC clears when the malfunction is no longer present.



* A history DTC clears when the module ignition cycle counter reaches the reset threshold of 50, without a repeat of the malfunction.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 895

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 895



DTC C1223 00



- Left Rear Wheel Speed Sensor Circuit Malfunction



DTC C1224 00



- Right Rear Wheel Speed Sensor Circuit Malfunction



DTC C1225 00



- Left Front Wheel Speed Sensor Circuit Performance Malfunction



DTC C1226 00



- Right Front Wheel Speed Sensor Circuit Performance Malfunction



DTC C1227 00



- Left Rear Wheel Speed Sensor Circuit Performance Malfunction



DTC C1228 00



- Right Rear Wheel Speed Sensor Circuit Performance Malfunction



DTC C1232 00



- Left Front Wheel Speed Sensor Circuit Low Input Malfunction



DTC C1233 00



- Right Front Wheel Speed Sensor Circuit Low Input Malfunction



DTC C1234 00



- Left Rear Wheel Speed Sensor Circuit Low Input Malfunction



DTC C1235 00



- Right Rear Wheel Speed Sensor Circuit Low Input Malfunction



Circuit/System Description



The wheel speeds are detected by active wheel speed sensors. Each wheel speed sensor receives a 12 V reference voltage from the electronic brake



control module (EBCM) and provides an alternating current square wave signal to the EBCM. As the wheel spins, the EBCM uses the frequency of



the square wave signal to calculate the wheel speed. The EBCM sends the wheel speed information as a high speed controller area network (CAN)



serial data message.



Conditions for Running the DTC



Ignition ON



Conditions for Setting the DTC



A supervised periodic message that includes the wheel speed serial data has not been received.



Action Taken When the DTC Sets



Specific subsystems will not function or operate in degraded mode.



Conditions for Clearing the DTC



A current DTC clears when the diagnostic runs and passes.



Reference Information



Schematic Reference



Antilock Brake System Schematics (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



ABS Description and Operation (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Description and Operation)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 424

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 424



Data Communication Schematics (See: Powertrain Management/Computers and Control Systems/Information Bus/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Data Link Communications Description and Operation (See: Powertrain Management/Computers and Control Systems/Information



Bus/Description and Operation)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool References



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



Verify DTC B1001 is not set.



If the DTC is set, program the control module. If the DTC resets, replace the control module.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



Control Module References (See: Testing and Inspection/Programming and Relearning) for control module replacement, setup, and programming



Supplemental Inflatable Restraints



DTC B1001



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category



DTC Descriptor



DTC B1001 00



- Option Configuration



Circuit/System Description



The inflatable restraint sensing and diagnostic module (SDM) stores a primary data key, which is a 4-digit number. When the ignition is turned ON,



the SDM compares this information to the information stored in the body control module (BCM) over the serial data communication circuit. If there



is a mismatch between the information stored in the SDM and BCM, DTC B1001 will set.



Conditions for Running the DTC



System voltage is between 9-16 V.



Conditions for Setting the DTC



The 4-digit Primary Data Key stored in the SDM does not match the 4 digits stored in the BCM.



Action Taken When the DTC Sets

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 341

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 341



Circuit/System Testing



Driver Window Switch Malfunction



1. Ignition OFF, disconnect the harness connector at the S79D window switch-driver.



2. Ignition ON, verify that the scan tool Driver Window Main Control Down Switch parameter is Inactive.



瀚慖f not the specified value, test the control circuit terminal 3 for a short to ground. If the circuit tests normal, test or replace the M74D



window motor-driver.



3. Verify that the scan tool Driver Window Main Control Up Switch parameter is Inactive.



瀚慖f not the specified value, test the control circuit terminal 6 for a short to ground. If the circuit tests normal, test or replace the M74D



window motor-driver.



4. Verify that the scan tool Driver Window Main Control Express Switch parameter is Inactive.



瀚慖f not the specified value, test the control circuit terminal 2 for a short to ground. If the circuit tests normal, test or replace the M74D



window motor-driver.



5. If all circuits test normal, test or replace the S79D window switch-driver.



Passenger Switch Window Malfunction



1. Ignition OFF, disconnect the harness connector at the S79P window switch-passenger.



2. Ignition ON, test for greater than 10V between the signal circuit terminal listed below and ground:



* Signal circuit terminal 6



* Signal circuit terminal 7



* Signal circuit terminal 8



瀚慖f less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, test or



replace the M74P window motor-passenger.



3. If all circuits test normal, test or replace the S79P window switch-passenger.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Front Side Door Window and Multifunction Switch Replacement (See: Windows and Glass/Windows/Service and Repair/Front Side Door



Window and Multifunction Switch Replacement)



* Rear Side Door Window Switch Replacement (See: Windows and Glass/Windows/Service and Repair/Rear Side Door Window Switch



Replacement)



* Rear Side Door Window Regulator Motor Replacement (See: Windows and Glass/Windows/Service and Repair/Rear Side Door Window



Regulator Motor Replacement)



B318A



DTC B316B, B317A, B318A, or B319A



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC B316B 00



- Driver Window Switch



DTC B316B 02



- Driver Window Switch Short to Ground



DTC B316B 39



- Driver Window Switch Internal Malfunction

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 367

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 367



control switch or by a close request from the remote control door lock receiver.



Conditions for Clearing the DTC



* The DTC will be current for as long as the fault is present.



* When the fault is no longer present, the DTC will be a history DTC.



* A history DTC will clear after 50 ignition cycles.



Diagnostic Aids



* If the liftgate will not release from the closed position, refer to Opening the Liftgate Without Electrical Power (See: Body and Frame/Doors,



Hood and Trunk/Trunk / Liftgate/Service and Repair/Procedures) for the appropriate procedure



* Whenever the liftgate control module loses power or is disconnected, the ignition must be cycled OFF then ON in order to reactivate the



liftgate control module.



Reference Information



Schematic Reference



Liftgate Schematics (See: Body and Frame/Locks/Diagrams/Electrical Diagrams/Liftgate Schematics)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Liftgate Description and Operation (See: Body and Frame/Doors, Hood and Trunk/Trunk / Liftgate/Description and Operation/Liftgate)



Electrical Information Reference



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



Ignition ON, with the liftgate open, observe the scan tool Liftgate Rear Close Switch parameter while pressing and releasing the B70 liftgate close



switch. The parameter should change from Inactive to Active.



Circuit/System Testing



1. Ignition OFF, disconnect the harness connector at the B70 liftgate close switch.



2. Test for less than 10 ohm between the low reference circuit terminal 4 and ground.



瀚慖f greater than the specified range, test the low reference circuit for a short to voltage or an open/high resistance. If the circuit tests



normal, replace the K39 liftgate control module



3. Ignition ON, verify the scan tool Liftgate Rear Close Switch parameter is Inactive.



瀚慖f not the specified value, test the signal circuit terminal 3 for a short to ground. If the circuit tests normal, replace the K39 liftgate control



module.



4. Connect a 3A fused jumper wire between the signal circuit terminal 3 and ground, verify the scan tool Liftgate Rear Close Switch parameter



is Active.



瀚慖f not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the



K39 liftgate control module.



5. If all circuits test normal, test or replace the B70 liftgate close switch.



Component Testing



Liftgate Close Switch Assembly



1. Ignition OFF, disconnect the harness connector at the B70 liftgate close switch.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 995

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 995



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



DTC Type Reference



Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code



(DTC) Type Definitions)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



1. Engine idling at operating temperature for at least 30 s. Observe the DTC information, DTCs P0030, P0031, P0032, P0036, P0037, and



P0038 should not set.



2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the



conditions that you observed from the Freeze Frame/Failure Records data.



Circuit/System Testing



1. Ignition OFF, disconnect the harness connector at the appropriate B52 Heated Oxygen Sensor.



2. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 1 and ground.



Note: The ignition circuit supplies voltage to other components. Make sure you test all circuits for a short to ground or test all components



for being shorted that share the ignition circuit.



瀚慖f the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance. If the circuit tests normal and



the ignition circuit fuse is open, test all the components connected to the ignition circuit and replace as necessary.



3. Connect a test lamp between the heater control circuit terminal 2 and B+. The test lamp should not illuminate.



瀚慖f the test lamp is always ON, test the control circuit for a short to ground. If the circuit/connections test normal, replace the K20 Engine



Control Module.



Note: The control circuit for the HO2S heater is pulled-up to voltage within the ECM, 2.0-3.0 V on the control circuit is normal.



4. Idle the engine, and verify the test lamp illuminates or flashes.



瀚慖f the test lamp is always OFF, test the control circuit terminal 2 for an open/high resistance. If the circuit/connections test normal, replace



the K20 Engine Control Module.



5. Ignition ON, test for 2.0-3.0 V between the control circuit terminal 2 and ground.



瀚慖f not within the specified range, test the control circuit for a short to voltage. If the circuit/connections test normal, replace the K20



Engine Control Module.



6. If all circuits/connections test normal, test or replace the B52 Heated Oxygen Sensor.



Component Testing



1. Ignition OFF, disconnect the harness connector at the B52 Heated Oxygen Sensor.



2. Test for 5-25 ohm between the control terminal 2 and the ignition terminal 1 of the B52 Heated Oxygen Sensor.



瀚慖f not within the specified range, replace the B52 Heated Oxygen Sensor.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Heated Oxygen Sensor Replacement - Sensor 1 (LAU) (See: Powertrain Management/Computers and Control Systems/Oxygen



Sensor/Service and Repair/Heated Oxygen Sensor Replacement - Sensor 1)



* Heated Oxygen Sensor Replacement - Sensor 2 (LAU) (See: Powertrain Management/Computers and Control Systems/Oxygen



Sensor/Service and Repair/Heated Oxygen Sensor Replacement - Sensor 2)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for Engine Control Module replacement, setup, and

Wednesday, February 26, 2020

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 705

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 705



瀚慖f the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the K9 BCM.



瀚慖f the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuits test normal, replace



the K9 BCM.



7. If all the circuits test normal, replace the appropriate right marker lamp



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Tail Lamp Replacement (See: Lighting and Horns/Tail Lamp/Service and Repair)



* Headlamp Replacement (See: Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Replacement)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup and programming



B3873



DTC B3873



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC B3873 02



- Front Washer Relay Circuit Short to Ground



Diagnostic Fault Information



Circuit/System Description



The body control module (BCM) controls the windshield washer fluid pump based on an input from the turn signal/multifunction switch. The BCM



monitors the washer switch through the windshield washer switch signal circuit. When the wash switch is closed, ground is supplied to the front



washer switch signal circuit. When this is the case, the BCM will command the windshield washer fluid pump and the low speed wipers on.



Conditions for Running the DTC



* Ignition ON.



* The system voltage is between 9-16 V.



Conditions for Setting the DTC



A short to ground is detected in the windshield washer relay control circuit.



Action Taken When the DTC Sets



Washer operation is suspended.



Conditions for Clearing the DTC



A current DTC clears when the diagnostic runs and passes.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 320

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 320



* A history DTC will clear after 40 malfunction-free ignition cycles.



Reference Information



Schematic Reference



Theft Deterrent System Schematics (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Diagrams/Electrical Diagrams/Theft



Deterrent System Schematics)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Content Theft Deterrent (CTD) Description and Operation (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Description



and Operation/Content Theft Deterrent (CTD))



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Testing



Verify that DTC B291A is not set.



If the DTC is set, replace the B67 ultrasonic intrusion sensor.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Theft Deterrent Sensor Replacement (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Antitheft Motion



Sensor/Service and Repair)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup, and programming



B291B



DTC B291B



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC B291B 00



- Content Theft Deterrent Sensor Malfunction



DTC B291B 39



- Content Theft Deterrent Sensor Internal Malfunction



DTC B291B 42



- Content Theft Deterrent Sensor Calibration Not Programmed



Circuit/System Description

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 3030

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 3030



* Vehicle Yaw Sensor with Vehicle Lateral Accelerometer Replacement (See: Brakes and Traction Control/Antilock Brakes / Traction



Control Systems/Yaw Rate Sensor/Service and Repair/Less than 3900 kg (8600 lb) GVW) for the ABS - Non-Hybrid Greater than/Equal to



3900 kg (8600 lb) GVW



* Control Module References (See: Testing and Inspection/Programming and Relearning) for module replacement, setup, and programming



U2175



DTC U2105-U2199



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC U2142 00



- Lost Communication With Yaw Rate Sensor (YRS)



Circuit/System Description



Modules connected to the CAN bus serial data circuits monitor for serial data communications during normal vehicle operation. Operating



information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be



exchanged on the serial data circuits. The messages are supervised and also, some periodic messages are used by the receiver module as an



availability indication of the transmitter module. Each message contains the identification number of the transmitter module.



The electronic brake control module (EBCM) activates the other modules connected to the CAN serial data circuits by applying voltage when the



ignition key is in ACC, ON or START. The EBCM, Yaw Rate and Lateral Acceleration Sensor are the only modules connected to the CAN bus



serial data circuits. For more information on CAN bus serial data refer to Data Link Communications Description and Operation (See: Powertrain



Management/Computers and Control Systems/Information Bus/Description and Operation).



Conditions for Running the DTC



* The system voltage is between 9-16 volts.



* The vehicle power mode master requires serial data communication to occur.



Conditions for Setting the DTC



A supervised periodic message that includes the transmitter module availability has not been received.



Action Taken When the DTC Sets



* The vehicle stability enhancement system (VSES), if equipped, and traction control system (TCS) will not function.



* System OFF lamps will illuminate for these systems.



Conditions for Clearing the DTC



* A current DTC clears when the malfunction is no longer present.



* A history DTC clears when the module ignition cycle counter reaches the reset threshold of 50, without a repeat of the malfunction.



Diagnostic Aids



* Sometimes, while diagnosing a specific customer concern or after a repair, you may notice a history U-code present. However, there is no



associated "current" or "active" status. Loss-of- communication U-codes such as these can set for a variety of reasons. Many times, they are



transparent to the vehicle operator and technician, and/or have no associated symptoms. Eventually, they will erase themselves automatically



after a number of fault-free ignition cycles. This condition would most likely be attributed to one of these scenarios:



- A control module on the data communication circuit was disconnected while the communication circuit is awake.



- Power to one or more modules was interrupted during diagnosis.



- A low battery condition was present, so some control modules stop communicating when battery voltage drops below a certain threshold.



- Battery power was restored to the vehicle and control modules on the communication circuit did not all re-initialize at the same time.



- If a loss-of-communication U-code appears in history for no apparent reason, it is most likely associated with one of the scenarios above.



These are all temporary conditions and should never be interpreted as an intermittent fault, causing you to replace a part.



* A control module may have a U-code stored in history that does not require any repairs. Issues with late or corrupted messages between

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2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 151



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the reference voltage circuit for a short to voltage. If the circuit tests normal, replace the K33



HVAC Control Module.



4. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor.



Humidity Sensor Humidity Circuit Malfunction



1. Ignition OFF, disconnect the harness connector at the B160 Windshield Temperature and Inside Moisture Sensor.



2. Test for 4.8-5.2 V between the signal circuit terminal 2 and ground.



瀚慖f less than the specified range, test the signal circuit terminal for a short to ground or open/high resistance. If the circuit tests normal,



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the signal circuit terminal for a short to battery. If the circuit tests normal, replace the K33 HVAC



Control Module.



3. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor.



Humidity Sensor Temperature Circuit Malfunction



1. Ignition OFF, disconnect the harness connector at the B160 Windshield Temperature and Inside Moisture Sensor.



2. Ignition ON, test for 4.8-5.2 V between the signal circuit terminal 5 and ground.



瀚慖f less than the specified range, test the signal circuit terminal for a short to ground or open/high resistance. If the circuit tests normal,



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the signal circuit terminal for a short to battery. If the circuit tests normal, replace the K33 HVAC



Control Module.



3. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor and verify the DTC does not reset.



Windshield Temperature Sensor Circuit Malfunction



1. Ignition OFF, disconnect the harness connector at the B160 Windshield Temperature and Inside Moisture Sensor.



2. Ignition ON, test for 4.8-5.2 V between the signal circuit terminal 4 and ground.



瀚慖f less than the specified range, test the signal circuit terminal for a short to ground or open/high resistance. If the circuit tests normal,



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the signal circuit terminal for a short to battery. If the circuit tests normal, replace the K33 HVAC



Control Module.



3. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor and verify the DTC does not reset.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* HVAC Component Replacement Reference (See: Heating and Air Conditioning/Service and Repair/Removal and Replacement)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for HVAC control module replacement, setup, and



programming



B048D



DTC B048D or B048E



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC B048D 01



- Auxiliary Heater Temperature Command Circuit Short to Battery



DTC B048D 06



- Auxiliary Heater Temperature Command Circuit Low Voltage/Open

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2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 219



Circuit/System Testing



1. Ignition OFF, disconnect the KR73 ignition main relay.



2. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down. Test for less than 10 ohm



between the relay ground circuit and ground.



瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.



3. Ignition ON, verify that a test lamp illuminates between the relay B+ circuit and ground.



瀚慖f the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.



4. Connect a test lamp between the relay control circuit and ground.



5. Cycle the ignition ON and OFF. The test lamp should turn ON and OFF when changing S39 ignition switch positions.



瀚慖f the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the K9 BCM.



瀚慖f the test lamp is always OFF, test the control circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the



K9 BCM.



6. If all circuits test normal, test or replace the KR73 ignition main relay.



Component Testing



1. Ignition OFF, disconnect the KR73 ignition main relay.



2. Test for 70-150 Ohms between terminals 85 and 86.



瀚慖f the resistance is not within the specified range, replace the KR73 ignition main relay.



3. Test for infinite resistance between the following terminals:



* 30 and 86



* 30 and 87



* 30 and 85



* 85 and 87



瀚慖f less than specified, replace the KR73 ignition main relay.



4. Install a 3 A fused jumper wire between relay terminal 86 and 12 V. Install a jumper wire between relay terminal 85and ground. Measure for



less than 5 Ohms between terminals 87 and 30.



瀚慖f greater than specified, replace the KR73 ignition main relay.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the repair.



* Relay Replacement (Attached to Wire Harness) (See: Power and Ground Distribution/Power Distribution Relay/Service and Repair/Relay



Replacement (Attached to Wire Harness))Relay Replacement (Within an Electrical Center) (See: Power and Ground Distribution/Power



Distribution Relay/Service and Repair/Relay Replacement (Within an Electrical Center))



* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup, and programming



B144B



DTC B144B



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) Diagnostic System Check - Vehicle prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis)



Strategy Based Diagnosis for an overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions)Diagnostic Procedure Instructions provides an overview of each diagnostic category.



DTC Descriptor



DTC B144B 01



- Run/Start Power Relay Circuit Short to Battery

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 486

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 486



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



Ignition ON, observe the scan tool Seat Memory Control Module seat switch parameters listed below while pressing and releasing the appropriate



seat directional switch. The readings should change between Inactive and Forward/Rearward or UP/Down.



* Driver Seat Cushion Front Vertical Switch



* Driver Seat Cushion Rear Vertical Switch



* Driver Seat Horizontal Switch



* Driver Seat Back Switch



Circuit/System Testing



1. Ignition OFF, disconnect the harness connector at the S64D driver seat adjuster switch.



2. Verify that all scan tool driver seat switch parameters listed below are Inactive:



* Driver Seat Cushion Front Vertical Switch



* Driver Seat Cushion Rear Vertical Switch



* Driver Seat Horizontal Switch



* Driver Seat Back Switch



瀚慖f not the specified value, test the appropriate signal circuit listed below for a short to ground. If the circuit tests normal, replace the K40



seat memory control module.



* Front vertical upward switch terminal A



* Front vertical downward switch terminal K



* Rear vertical upward switch terminal F



* Rear vertical downward switch terminal J



* Horizontal forward switch terminal D



* Horizontal rearward switch terminal C



* Recline forward switch terminal H



* Recline rearward switch terminal G



3. If all circuits test normal, test or replace the S64D driver seat adjuster switch.



Component Testing



1. Ignition OFF, disconnect the harness connector at the S64D driver seat adjuster switch.



2. Test for infinite resistance between the ground terminal E and each seat direction signal terminal with the switch in the open position.



瀚慖f not the specified value, replace the S64D driver seat adjuster switch.



3. Test for less than 2 Ohms between the ground terminal E and each signal terminal with the appropriate switch in the closed position.



瀚慖f greater than the specified value, replace the S64D driver seat adjuster switch.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Driver Seat Adjuster Switch Replacement (See: Body and Frame/Seats/Power Seat Switch/Service and Repair/Driver Seat Adjuster Switch



Replacement)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for seat memory control module replacement, setup,



and programming



B1740



DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820



Diagnostic Instructions

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 648

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 648



The BCM detects that a window motor is "not normalized" which will occur under the following conditions:



* When the battery has been disconnected



* When the battery has been replaced



* When the door wiring harness has been disconnected



* When the window motor has been disconnected.



Action Taken When the DTC Sets



B3205 00, B3205 39, B3205 42, B3210 00, B3210 39, B3210 42, B3215 39, B3220 39



The affected motor will be inoperative.



B3205 4B, B3210 4B



The affected motor will not perform the express up or express down functions and the driver information center will display Open, then Close



Driver Window or will display Open, then Close Passenger Window.



Conditions for Clearing the DTC



B3205 00, B3210 00



Installing a compatible window motor for that specific make and model vehicle.



B3205 39, B3210 39, B3215 39, B3220 39



If the DTC is current, the appropriate window motor must be replaced before the DTC can be cleared.



B3205 42, B3210 42



The appropriate window motor must be replaced before the DTC can be cleared.



B3205 4B, B3210 4B



The appropriate window motor must be normalized before the DTC can be cleared.



Reference Information



Schematic Reference



Moveable Window Schematics (See: Windows and Glass/Windows/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Power Windows Description and Operation (See: Windows and Glass/Windows/Description and Operation/Power Windows)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



B3205 00, B3205 39, B3205 42, B3210 00, B3210 39, B3210 42, B3215 39, B3220 39



1. Ignition ON, command the M74 window motor UP and DOWN with a scan tool. The M74 window motor should perform the UP and



DOWN functions.



Note: If the window performs the UP and DOWN functions, clear the DTC

Tuesday, February 25, 2020

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 274

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 274



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



1. Ignition OFF, with the doors closed and locked, approach the vehicle with the keyless entry transmitter and pull the exterior driver door



handle. The driver door should unlock and unlatch allowing the driver door to be pulled open.



瀚慖f the driver door will not unlock and open with a single pull of the exterior door handle, refer to Driver Door Latch Malfunction.



2. With the doors closed and locked, approach the vehicle with the keyless entry transmitter and pull the exterior passenger door handle or the



exterior left rear door handle or the exterior right rear door handle. The appropriate door should unlock and unlatch allowing the door to be



pulled open.



瀚慖f all the passenger, left rear and right rear doors will not unlock and open with a single pull of the exterior door handle, refer to



Passenger and Rear Door Release Command Inoperative.



瀚慖f a door will not unlock and open with a single pull of the door handle, refer to Passenger or Rear Door Latch Malfunction.



Circuit/System Testing



Driver Door Latch Malfunction



1. Ignition OFF, disconnect the X2 harness connector at the K84 keyless entry control module.



2. Test for less than 10 ohm between the ground circuit terminal 6 and ground.



瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.



3. Ignition OFF, connect the X2 harness connector and disconnect the X4 harness connector at the K84 keyless entry control module.



4. Test for infinite resistance between the control circuit terminal 3 and ground.



瀚慖f less than the specified value, test the control circuit for a short to ground. If the circuit tests normal, replace the K9 BCM.



5. Ignition OFF, connect the X4 harness connector at the K84 keyless entry control module.



6. Disconnect the harness connector at the A23D door latch assembly - driver.



7. Connect a test lamp between the control circuit terminal 5 and control circuit terminal 10.



8. Pull and release the exterior driver door handle, the test lamp should briefly illuminate while the exterior door handle is being pulled.



瀚慖f the test lamp is always OFF, test either control circuit for a short to ground or an open/high resistance. If the circuits test normal,



replace the K84 keyless entry control module.



瀚慖f the test lamp is always ON, test either control circuit for a short to voltage. If the circuits test normal, replace the K84 keyless entry



control module.



9. If all circuits test normal, test or replace the A23D door latch assembly - driver.



Passenger and Rear Door Release Command Inoperative



1. Ignition OFF, disconnect the X4 harness connector at the K84 keyless entry control module.



2. Test for infinite resistance between the control circuit terminal 14 and ground.



瀚慖f less than the specified value, test the control circuit for a short to ground. If the circuit tests normal, replace the K9 BCM.



3. If all circuits test normal, replace the K84 keyless entry control module.



Passenger or Rear Door Latch Malfunction



1. Ignition OFF, disconnect the harness connector at the appropriate A23 door latch assembly.



2. Connect a test lamp between the control circuit terminal 5 and control circuit terminal 10.



3. Pull and release the appropriate exterior door handle, the test lamp should briefly illuminate while the exterior door handle is being pulled.



瀚慖f the test lamp is always OFF, test either control circuit for a short to ground or an open/high resistance. If the circuits test normal,



replace the K84 keyless entry control module.



瀚慖f the test lamp is always ON, test either control circuit for a short to voltage. If the circuits test normal, replace the K84 keyless entry



control module.



4. If all circuits test normal, test or replace the A23 door latch assembly.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Front Side Door Lock Replacement (See: Body and Frame/Locks/Door Locks/Service and Repair/Front Side Door Lock Replacement)



* Rear Side Door Lock Replacement (See: Body and Frame/Locks/Door Locks/Service and Repair/Rear Side Door Lock Replacement)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM or keyless entry control module