Cellular, Entertainment, and Navigation
DTC B1001
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.
DTC Descriptor
DTC B1001
- Option Configuration Error
Circuit/System Description
The controller shall set the current status of this DTC when the following is detected:
The applicable VIN digits (3 and 4) sent to the radio with GMLAN messages do not match the calibration platform ID.
Conditions for Running the DTC
When the radio transitions from the OFF to the ON mode. This is not limited to the radio power switch
Conditions for Setting the DTC
The applicable VIN digits (3 and 4) sent to the radio with GMLAN messages do not match the calibration platform ID.
Action Taken When the DTC Sets
The radio will display as many characters of "CALIBRATE" as will fit on the display and the radio will not operate.
Conditions for Clearing the DTC
Download the correct calibrations into the radio for the platform in which the radio is installed.
Circuit/System Verification
Install the scan tool. Check DTCs. Is DTC B1001 current?
Circuit/System Testing
Install the scan tool. Check DTCs. Is DTC B1001 current?
Run Radio setup to calibrate the radio.
If the code returns as current, replace the radio.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests