Cellular, Entertainment, and Navigation

DTC B1001

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 B1001 00
- Option Configuration Error




Circuit Description

This DTC is set as current in all vehicle communication interface module (VCIM) service parts and has been implemented as a reminder to contact the OnStar(R) Call Center to properly update the customers account once the new module has been installed. This call is initiated automatically after the installation of the replacement VCIM, and the completion of the Setup New VCIM procedure on the scan tool. No external circuits are involved.


Conditions for Running the DTC

The DTC is only run once per ignition cycle after a VCIM service part installation.


Conditions for Setting the DTC

This DTC is set as current in every VCIM service part, until the Setup New VCIM procedure on the scan tool has been performed after a service replacement.


Action Taken When the DTC Sets

* The OnStar(R) status LED turns red.
* The blue OnStar(R) Call Center button is disabled.



Conditions for Clearing the DTC

A current DTC clears following the successful completion of the Setup New VCIM procedure via the scan tool.


Diagnostic Aids

Perform the OnStar Reconfiguration (with TIS 2 Web Gen 4 and later) (Programming and Relearning) to setup the replacement VCIM.