For 1990-2009 cars

### 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 B2515 5A: Steering Column Lock Motor Feedback Circuit Not Plausible

### Circuit/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) 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

#### Connector End View Reference

Component Connector End Views

#### Description and Operation

Steering Wheel and Column Description and Operation

#### 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, 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.

• | Steering Column Replacement

• | Body Control Module Replacement

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