2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 566
The vehicle theft deterrent subsystem provides the capability to lock or unlock the steering electrically. The steering column lock control module is
allowed to unlock when power mode transitions to a non off power mode and an authenticated driver identification device is present. Once the
column is unlocked, a crank request can be allowed.
Conditions for Running the DTC
* The ignition is in OFF, ACCESSORY or RUN position.
* The system voltage is between 9-16 V.
Conditions for Setting the DTC
The body control module (BCM) detects a not plausible feedback from the steering column lock control module.
Action Taken When the DTC Sets
* DTC B2515 is stored in memory.
* The driver information center displays the service column lock system warning message.
* The steering column lock indicator is ON.
Conditions for Clearing the DTC
* The condition for setting the DTC is no longer present.
* The BCM detects a plausible feedback from the steering column lock control module.
Reference Information
Schematic Reference
Column Lock Schematics (See: Diagrams/Electrical Diagrams/Steering/Steering Column)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)
Description and Operation
Steering Wheel and Column Description and Operation (See: Steering and Suspension/Steering/Steering Column/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
Clear all DTCs and operate the steering column lock control module within the conditions for running the DTC. The DTC should not set.
If the DTC sets, replace the K60 Steering Column Lock Control Module or the K9 Body Control Module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Steering Column Lock Control Module Replacement (ULS) (See: Steering and Suspension/Steering/Steering Column/Steering Column
Lock/Service and Repair)
* Body Control Module Replacement (See: Body and Frame/Body Control Systems/Body Control Module/Service and Repair/Body Control
Module Replacement)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for steering column lock control module and BCM
replacement, setup and programming
