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 B305A 00: No Response From Steering Column Lock ReceivedCircuit/System Description
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 V and 16 V. |
Conditions for Setting the DTC
The body control module (BCM) has not received any response from the steering column lock control module.
Action Taken When the DTC Sets
| • | DTC B305A is stored in the BCM 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 has received response from the steering column lock control module. |
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Steering Wheel and Column Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Clear all DTCs and operate the steering column lock 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 (BCM). |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for steering column lock control module/body control module replacement, setup and programming |
