Cellular, Entertainment & Navigation System

DTC B1001

Circuit Description

Each time the ignition cycles from OFF to ON, the digital radio receiver receives VIN data over the class 2 communication circuit. If the VIN data in the digital radio receiver memory matches the VIN data it receives over the class 2 communication circuit, the digital radio receiver will operate normally.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B1001 Option Configuration Error

Conditions for Running the DTC

* The DTC is run when the ignition cycles from OFF to ON.
* Battery voltage is between 9-16 volts.

Conditions for Setting the DTC

Installing a digital radio receiver from a different vehicle platform or installing a new body control module (BCM) and not entering the correct setup information with the scan tool.

Action Taken When the DTC Sets

The digital radio does not function properly. The radio displays XM Updating.

Conditions for Clearing the DTC

* Installing a new digital radio receiver.
* Installing a new BCM setup properly with the correct VIN for that vehicle.

The DTC status will turn to history when the above criteria is met. The scan tool can now clear the history DTC, or the DTC will automatically clear after 100 consecutive fault free ignition cycles.

Test Description

Step 1 - Step 3:

The numbers below refer to the step numbers on the diagnostic table.
2. Clear all DTCs and cycle the ignition to verify that the DTC did not falsely set.
3. Clear all DTCs after the repair procedure is complete.