GM Service Manual Online
For 1990-2009 cars only

DTC B1015 or DTC B1016 RHD

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

DTC B1016 00: VIN Not Programmed (Vehicle Identification Number)

Circuit/System Description

When the telematics module receives Over-The-Air messages, it will compare the information received to the data stored in memory. If the VIN stored in memory does not match the VIN received via Over-The-Air messages, the telematics module will set a DTC and commands the red LED on the electrochromatic mirror ON.

Conditions for Running the DTC

The system voltage is at least 9 volts and no more than 16 volts.

Conditions for Setting the DTC

B1015

    • The telematics module stored VIN digits does not match the digits stored in the BCM.
    • The VIN stored in memory does not match the VIN received via an Over-The-Air message.

B1016

The telematics module stored VIN digits are not programmed.

Action Taken When the DTC Sets

    • The telematics module sets a DTC.
    • The telematics module commands the red LED ON.

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.

Reference Information

Schematic Reference

Radio/Navigation System Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Radio/Audio System 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 Testing

1. Verify that either DTC B1015 or DTC B1016 are not set.

If either DTC is set, reprogram the telematics module. If either DTC resets, replace the telematics module

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for telematics module replacement, setup and programming.