Data Communications

DTC B1016

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provides an overview of each diagnostic category

DTC Descriptor
DTC B1016
- Vehicle Identification Number Not Programmed

Circuit/System Description

The body control module (BCM) performs a self test and vehicle identification number (VIN) verification. This DTC indicates that a VIN is not programmed or that the BCM has an internal fault. The internal fault detection is handled inside the control module, no external circuits are involved.

Conditions for Running DTC

The only requirements are that voltage and ground are supplied to the BCM.

Conditions for Setting the DTC

The BCM has detected that the VIN is not programmed.

Action Taken When DTC Sets

The vehicle will not start.

Conditions for Clearing the DTC

* The condition for setting the DTC is no longer present.
* The history DTC will clear after 50 fault-free ignition cycles.
* The DTC can be cleared using a scan tool.

Reference Information
Schematic Reference

Body Control System Schematics (Electrical Diagrams)
Connector End View Reference

Component Connector End Views (Connector Views)
Scan Tool Reference

Control Module References (Programming and Relearning) for scan tool information

Circuit/System Verification

1. Verify DTC B1016 is not set.

• If the DTC is set, program the control module.

2. With a scan tool, clear the DTCs.
3. Ignition OFF, remove the scan tool, open and close the drivers door.
4. Wait 60 seconds, then verify DTC B1016 is not set.

• If the DTC is set, replace the control module.

Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.

Body Control Module Programming and Setup (Programming and Relearning) for BCM replacement, setup and programming