Audio Control Module (ACM) DTC List

DTC	Description	Action
B1031	SDARS Satellite Antenna Open	GO to PINPOINT TEST F .
B1032	SDARS Satellite Antenna Short	GO to PINPOINT TEST F .
B1117	Audio Steering Wheel Button Stuck	GO to PINPOINT TEST L .
B1318	Battery Voltage Low	GO to PINPOINT TEST U .
B1342	ECU is Faulted	NOTE: Repair all other DTCs first before diagnosing DTC B1342. CLEAR the DTCs. REPEAT the self-test. If only DTC B1342 is retrieved again, INSTALL a new Audio Control Module (ACM). refer to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
B2103	Antenna Not Connected	GO to PINPOINT TEST E .
B2404	Audio Steering Wheel Switch Circuit Fault	GO to PINPOINT TEST L .
B2406	Audio Disc CD Player Internal Fault	NOTE: DTC B1342 may also set. CLEAR the DTCs. REPEAT the self-test. If DTC B2406 or DTC B1342 is retrieved again, INSTALL a new ACM . refer to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
B2477	Module Configuration Failure	refer to MODULE CONFIGURATION .
B2965	Audio System Speaker Circuit Fault	GO to PINPOINT TEST C .
U0140	Lost Communication With Body Control Module(GEM )	GO to PINPOINT TEST N .
U0155	Lost Communication With Instrument Panel Cluster(IC ) Control Module	GO to PINPOINT TEST AB .
U0197	Lost Communication With Telephone Control Module	GO to PINPOINT TEST AE .
U0255	Lost Communication With Front Controls Interface Module	GO to PINPOINT TEST AF .
U0256	Lost Communication With Front Display Interface Module	GO to PINPOINT TEST AG .
U2050	No Application Present	refer to MODULE CONFIGURATION .
U2051	One or More Calibration Files Missing/Corrupt	refer to MODULE CONFIGURATION .