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.
Conditions for Running the DTC
| • | The DTC is run when the ignition cycles from OFF to ON. |
| • | Battery voltage is between 9 and 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
The numbers below refer to the step numbers on the diagnostic table.
-
Clear all DTCs and cycle the ignition to verify that the DTC did not falsely set.
-
Clear all DTCs after the repair procedure is complete.
Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Vehicle Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
Does the DTC reset? | Go to Step 3 | System OK | |
|
Important:: Perform the set up procedure for the digital radio receiver. Replace the digital radio receiver. Refer to Digital Radio Receiver Replacement for service procedure. Did you complete the replacement? | System OK | -- |
