Diagnostic Trouble Codes (DTCS)

The BCM may set these DTCs related to the interior courtesy lamps:
^ DTC B1344 Courtesy Lights Battery Feed CKT Open
^ DTC B2559 Theater Dimming Ground Circuit Open
^ DTC B2612 Pass Compartment Dimming #1 Circuit Low
^ DTC B2613 Dim Potentiometer Circuit High
^ DTC B2618 Pass Compartment Dimming #2 Circuit High

Refer to Body Control Module Diagnostic Information regarding these DTCs. Testing and Inspection