2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 467
4. Connect the X2 harness connector at the K8 keyless entry control module. Disconnect the X3 harness connector at the K 9 BCM.
5. Ignition OFF, test for less than 1 V between the ignition circuit terminal 5 and ground.
瀚慖f greater than the specified range, test the ignition circuit for a short to voltage. If the circuit tests normal, replace the K84 keyless entry
control module.
6. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 5 and ground.
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,
replace the K84 keyless entry control module.
7. If all circuits test normal, replace the K9 body control module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests)
Control Module References (See: Testing and Inspection/Programming and Relearning)
B1474
DTC B1474
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 B1474 02
- Passenger Exterior Door Handle Switch Circuit Short to Ground
Diagnostic Fault Information
Circuit/System Description
The keyless entry control module supplies a 12V signal to the passenger exterior door handle switch. When the door handle is activated, the switch
closes and the voltage signal from the keyless entry control module is pulled to ground, this input allows the keyless entry control module to detect
a door open request
Conditions for Running the DTC
Battery voltage is between 9-16 V.
Conditions for Setting the DTC
The keyless entry control module detects the right front exterior door handle switch signal circuit is shorted to ground or closed for greater than 60
s.
Action Taken When the DTC Sets
Passenger door will not open unless the passenger door is unlocked.
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.
