2010 Cadillac Truck SRX AWD V6-3.0L Page 286
1. Doors locked, approach the vehicle with the keyless entry transmitter and lift 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 unlatch with a single pull of the driver door handle, refer to Driver Door Release Command
Malfunction.
2. Doors locked, approach the vehicle with the keyless entry transmitter and lift the exterior passenger door handle. The passenger door should
unlock and unlatch allowing the passenger door to be pulled open.
瀚慖f the passenger door will not unlock and unlatch with a single pull of the door handle, refer to Passenger and Rear Door Release
Command Malfunction.
Circuit/System Testing
Driver Door Release Command Malfunction
1. Ignition OFF, disconnect the X4 harness connector at the K84 keyless entry control module.
2. Verify that a test lamp does not illuminate between the signal circuit terminal 3 and ground.
瀚慖f the test lamp is ON, test the signal circuit for a short to voltage. If the circuit tests normal, replace the K9 BCM.
3. If all circuits test normal, replace the K84 keyless entry control module.
Passenger and Rear Door Release Command Malfunction
1. Ignition OFF, disconnect the X4 harness connector at the K84 keyless entry control module.
2. Verify that a test lamp does not illuminate between the signal circuit terminal 14 and ground.
瀚慖f the test lamp is ON, test the signal circuit for a short to voltage. If the circuit tests normal, replace the K9 BCM.
3. If all circuits test normal, replace the K84 keyless entry 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 BCM or keyless entry control module replacement,
setup and programming
B252B
DTC B252A or B252B
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 B252A 01
- Driver Door Unlatch Enable Circuit Short to Battery
DTC B252B 01
- Passenger Door Unlatch Enable Circuit Short to Battery
Diagnostic Fault Information
Circuit/System Description
