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 B1015 00: Vehicle Identification Number (VIN) Information Error

### Circuit/System Description

When the ignition is turned ON, the object alarm module receives the vehicle identification number (VIN) from the body control module (BCM). The object alarm module will compare the VIN received to the VIN stored in memory.

### Conditions for Running the DTC

• | DTC B1325 is not set

• | Ignition voltage is between 9-16 volts

### Conditions for Setting the DTC

The VIN stored in the object alarm module does not match the received VIN.

### Action Taken When the DTC Sets

• | Parking assist is disabled.

• | The object alarm module commands the red indicator ON.

• | The object alarm module sends a serial data message to the instrument panel cluster (IPC) to display SERVICE PARK ASSIST message in the driver information center (DIC) and a chime will sound.

### Conditions for Clearing

• | The DTC will transition to history when the fault is no longer present.

• | A history DTC will clear after 100 malfunction-free ignition cycles.

### Reference Information

#### Schematic Reference

Object Detection Schematics

#### Connector End View Reference

Component Connector End Views

#### Description and Operation

Object Detection 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

Verify that DTC B1015 is not set.

⇒ | If the DTC is set, program the object alarm module. Refer to Object Alarm Module Programming and Setup. If the DTC resets, replace the object alarm module.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for object alarm module replacement, setup, and programming