Service Information

Volt

DTC B2910

Diagnostic Instructions

•	Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

•	Review Strategy Based Diagnosis for an overview of the diagnostic approach.

•	Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B2910 00: Steering Column Lock Password Incorrect

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 steering column lock control module has not received the correct password or did not receive a password with the command to unlock the steering column.

Action Taken When the DTC Sets

•	DTC B2910 is stored in memory.

•	The driver information centre displays the service column lock system warning message.

•	The steering column lock indicator is ON.

•	The engine will not crank.

Conditions for Clearing the DTC

•	The condition for setting the DTC is no longer present.

•	The steering column lock control module has received the correct password with the command to unlock the steering column.

Diagnostic Aids

This DTC may set if the BCM was replaced and the steering column lock control module was not reprogrammed.

Reference Information

Electrical Information Reference

•	Circuit Testing

•	Connector Repairs

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

Scan Tool Reference

Control Module References 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, reprogram the K60 Steering Column Lock Control Module. If the DTC resets, replace the K60 Steering Column Lock Control Module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for steering column lock control module replacement, setup and programming