2010 Cadillac Truck SRX FWD V6-3.0L Page 267

2010 Cadillac Truck SRX FWD V6-3.0L Page 267

The keyless entry control module detects an open/high resistance in the driver door latch motor unlatch control circuit.

B251B 02

The BCM detects a short to ground on the driver door lock actuator unlock control circuit

B251C 04

The keyless entry control module detects an open/high resistance on the passenger door latch motor unlatch control circuit.

B251D 04

The keyless entry control module detects an open/high resistance on the left rear door latch motor unlatch control circuit.

B251E 04

The keyless entry control module detects an open/high resistance on the right rear door latch motor unlatch control circuit.

Action Taken When the DTC Sets

The affected door will require a pull of the exterior door handle to unlock the door and a second pull of the exterior door handle to open the door.

Conditions for Clearing the DTC

* This 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 40 ignition cycles

Diagnostic Aids

DTC B1330 03 and B251A 02 may sent concurrently, correct the condition for setting DTC B1330 03 first before performing diagnostics testing

for B251A 02. Refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble Code Descriptions/Diagnostic Trouble Code

(DTC) List - Vehicle) to locate the correct procedure.

Reference Information

Schematic Reference

Door Lock/Indicator Schematics (See: Body and Frame/Locks/Diagrams/Electrical Diagrams/Door Lock/Indicator Schematics)

Connector End View Reference

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

Description and Operation

Power Door Locks Description and Operation (See: Body and Frame/Locks/Power Locks/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

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