Audio Control Module (ACM)

AUDIO CONTROL MODULE (ACM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Perform Test
B1117	Audio Steering Wheel Button Stuck	VERIFY that no steering wheel control switches are stuck, and that no steering wheel control switch was pressed during the self-test. If no concern is found, go to Pinpoint Test F .
B1119	Audio Disc DVD Player Thermal Shutdown	The audio control module (ACM) was over temperature. Audio operation will resume after the ACM cools. This is normal operation. CLEAR the DTCs.
B1136	Audio Steering Wheel Switch #2 Circuit Failure	Go to Pinpoint Test F .
B1155	Subwoofer #1 Short to Battery	Go to Pinpoint Test D .
B1158	Subwoofer #2 Open	Go to Pinpoint Test D .
B2103	Antenna Not Connected	Go to Pinpoint Test A .
B2204	GPS Antenna Connection Open or Short	Go to Pinpoint Test N .
B2274	Phone Transceiver Active Circuit Failure	DISREGARD the DTC. CLEAR the DTCs.
B2384	Audio Reverse Aid Mute Input Ckt. Failure	DISREGARD the DTCs. CLEAR the DTCs.
B2404	Audio Steering Wheel Switch Circuit Fault	Go to Pinpoint Test F .
B2405	Audio Disc CD Player Thermal Shutdown Fault	The ACM was over temperature. Audio operation will resume after the ACM cools. This is normal operation. CLEAR the DTCs.
B2633	Driver-Front Microphone Circuit Failure	DISREGARD the DTC. CLEAR the DTCs.
B2913 (Audiophile only)	Audio Subwoofer Not Connected	Go to Pinpoint Test D .
B2924 (navigation only)	Audio Button Stuck	Using the hardkey test, VERIFY no ACM buttons are stuck and that no ACM button is pressed during the self-test. CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation.
B2965	Audio System Speaker Circuit Fault	Go to Pinpoint Test B .
C1992	Vehicle Speed Circuit Failure	DISREGARD the DTC. CLEAR The DTCs.
P0812	Reverse Input Circuit	DISREGARD the DTC. CLEAR The DTCs.
U0155	Lost Communication With Instrument Panel Cluster (IC) Control Module	NOTE: If no related concern is currently present, disregard the DTC. If the speed sensitive volume does not operate correctly, go to Pinpoint Test G .If the navigation is inaccurate, go to Pinpoint Test Q .
U0159	Lost Communication With Parking Assist Control Module (PAM)	DISREGARD the DTC. CLEAR the DTCs.
U0193	Lost Communication With Digital Audio Control Module (SDARS)	NOTE: If no related concern is currently present, disregard the DTC. Go to Pinpoint Test L .
U0196	Lost Communication With Entertainment Control Module - Rear (AUX)	DISREGARD the DTC. CLEAR the DTCs.
U0197	Lost Communication With Telephone Control Module	DISREGARD the DTC. CLEAR the DTCs.
U0238	Lost Communication With Digital Audio Control Module "D" (DSP)	DISREGARD the DTC. CLEAR the DTCs.
U0249	Lost Communication With Entertainment Control Module - Rear "B" (RCU)	DISREGARD the DTC. CLEAR the DTCs.
U0255	Lost Communication With Front Controls Interface Module	NOTE: If no related concern is currently present, disregard the DTC. Go to Pinpoint Test R .
U2473	Unexpected Vehicle Speed (VSS)	If the speed sensitive volume does not operate correctly, go to Pinpoint Test G . If the navigation is inaccurate, go to Pinpoint Test Q .