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
- 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.



Reference Information
Schematic Reference

Data Communication Schematics (Electrical Diagrams)
Connector End View Reference

Component Connector End Views (Connector Views)
Description and Operation

Data Link Communications Description and Operation (Description and Operation)
Electrical Information Reference

* Circuit Testing (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)
* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)

Scan Tool Reference

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


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 (Verification Tests) after completing the repair.


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