2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 344
3. Ignition OFF, connect the harness connector at the I/P multifunction switch. Disconnect the X1 harness connector at the object alarm module.
4. Ignition ON, verify the park assist disable LED is not illuminated.
瀚慖f the LED is illuminated, test the control circuit for a short to ground. If the circuit tests normal, test or replace the I/P multifunction
switch.
5. Install a 10A fused jumper wire between the control circuit terminal 3 and ground. Verify that the park assist disable LED is illuminated.
瀚慖f the LED is not illuminated, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, test or
replace the I/P multifunction switch.
6. If all circuits test normal, replace the object alarm module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Rear Object Alarm Module Switch Replacement (Escalade) (See: Accessories and Optional Equipment/Collision Avoidance and Parking
Assist Systems/Parking Assist Switch/Service and Repair/Rear Object Alarm Module Switch Replacement (Escalade))Rear Object Alarm
Module Switch Replacement (Tahoe/Yukon) (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Parking Assist Switch/Service and Repair/Rear Object Alarm Module Switch Replacement (Tahoe/Yukon))
* Control Module References (See: Testing and Inspection/Programming and Relearning) for Object Alarm Module replacement, setup, and
programming.
B1000
DTC B1000
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 B1000 00
- Electronic Control Unit (ECU) Performance No Additional Information Available
DTC B1000 04
- Side Object Detection Performance - RAM Failure
DTC B1000 08
- Electronic Control Unit (ECU) Performance Signal Invalid
DTC B1000 12
- Electronic Control Unit (ECU) Performance Below Minimum Threshold
DTC B1000 31
- Electronic Control Unit (ECU) General Checksum Problem
DTC B1000 32
- Electronic Control Unit (ECU) General Memory Failure
DTC B1000 33
- Electronic Control Unit (ECU) Performance Special Memory Failure
DTC B1000 34
- Electronic Control Unit (ECU) Performance RAM Integrity
DTC B1000 35
- Electronic Control Unit (ECU) Performance ROM Integrity
DTC B1000 36
- Electronic Control Unit (ECU) Performance EEPROM Integrity
