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 B1016: VIN Not Programmed

### Circuit/System Description

The internal fault detection is handled inside the control module. No external circuits are involved.

### Conditions for Running the DTC

The only requirements are voltage and ground.

### Conditions for Setting the DTC

The module has detected that the VIN is not programmed.

### Conditions for Clearing the DTC

• | A current DTC clears when the malfunction is no longer present.

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

### Circuit/System Verification

1. Program the VIN information to the body control module (BCM).
2. Turn the ignition OFF, wait several seconds and then turn the ignition ON.
3. Retrieve DTCs from the BCM. DTC B1016 should change to a history DTC.

⇒ | If this DTC is retrieved as a current DTC, replace the module that set the DTC.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for BCM replacement, setup, and programming