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 B2961 8 : Switch Position Ignition Key Circuit Malfunction
DTC B2961 5A: Ignition/Start/Stop Switch Timeout

### Circuit/System Description

The ignition switch is integrated into the steering column control module (SCCM). The steering column module provides power to the ignition switch. The SCCM monitors the ignition switch position and evaluates the switch position for any failures or malfunctions. The SCCM detects the position of the key and sends this information via the serial data circuit to other modules.

### Conditions for Running the DTC

The system voltage is between 9-16 volts.

### Conditions for Setting the DTC

• | Unplausible state at the ignition switch.

• | Ignition switch position evaluation failure.

### Action Taken When the DTC Sets

• | The SCCM stores DTC B2961 in memory.

• | System power mode stays in the current value

### Conditions for Clearing the DTC

• | Plausible state of the ignition switch.

• | The history DTC clears after 100 malfunction-free warm-up cycles.

### Reference Information

#### Schematic Reference

Audible Warnings Schematics

#### Connector End View Reference

Component Connector End Views

#### Description and Operation

Audible Warnings 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 Testing

1. Cycle the ignition switch through the various power modes and verify the DTC does not reset.

⇒ | If the DTC resets, replace the steering column module.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for the Steering Column Control Module replacement, setup and programming