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 B0005 00: In Park Switch Circuit

### Circuit/System Description

The body control module (BCM) supplies the park enable signal circuit voltage when the vehicle transmission is in Park.

### Conditions for Running the DTC

The system voltage is between 9-16 volts.

### Conditions for Setting the DTC

The BCM detects there is a short to ground for greater than 5 seconds.

### Action Taken When the DTC Sets

The BCM will not supply voltage to the circuit.

### Conditions for Clearing the DTC

• | The current DTC will clear when the malfunction is no longer present.

• | A history DTC clears when the module ignition cycle counter reaches the reset threshold of 50, without a repeat of the malfunction.

### Reference Information

#### Schematic Reference

Body Control System Schematics

#### Connector End View Reference

Component Connector End Views

#### 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. Ignition OFF, disconnect the X5 harness connector at the BCM.
2. Verify there is no aftermarket component wired to terminal 19.

⇒ | If there is an aftermarket component wire, test the circuit terminal for a short to ground. If the circuit tests normal, replace the BCM.

3. If all circuits test normal, replace the BCM.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

• | Body Control Module Replacement

• | Control Module References for module replacement, setup, and programming