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 buttons are stuck and that no steering wheel control button is pressed during the self-test. If no concern is found, go to Pinpoint Test F under PINPOINT TESTS . |
| B1119 (Navigation only) | Audio Disc DVD Player Thermal Shutdown |
NOTE:
This DTC applies to the navigation DVD mechanism, not the DVD entertainment system. The audio control module (ACM) was over temperature. Navigation operation will resume after the ACM cools. This is normal operation. CLEAR the DTCs. |
| B1136 (Navigation only) | Audio Steering Wheel Switch #2 Circuit Failure | Go to Pinpoint Test F under PINPOINT TESTS . |
| B1154 | Subwoofer #1 Short to Ground | Go to Pinpoint Test E under PINPOINT TESTS . |
| B1155 | Subwoofer #1 Short to Battery | Go to Pinpoint Test E under PINPOINT TESTS . |
| B1158 | Subwoofer #2 Not Connected | Go to Pinpoint Test E under PINPOINT TESTS . |
| B1342 | ECU is Faulted | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation. |
| B2103 | Antenna Not Connected | Go to Pinpoint Test A under PINPOINT TESTS . |
| B2204 (Navigation only) | GPS Antenna Connection Open or Short | Go to Pinpoint Test M under PINPOINT TESTS . |
| B2274 | Phone Transceiver Active Circuit Failure | DISREGARD the DTC. CLEAR the DTCs. |
| B2384 | Audio Reverse Aid Mute Input Ckt. Failure | DISREGARD the DTC. CLEAR the DTCs. |
| B2404 | Audio Steering Wheel Switch Circuit Failure | Go to Pinpoint Test F under PINPOINT TESTS . |
| 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 (Navigation only) | Driver-Front Microphone Circuit Failure | Go to Pinpoint Test R under PINPOINT TESTS . |
| B2913 (Audiophile only) | Audio Subwoofer Not Connected | Go to Pinpoint Test E under PINPOINT TESTS . |
| B2965 | Audio System Speaker Circuit Fault | Go to Pinpoint Test B under PINPOINT TESTS . |
| C1992 | Vehicle Speed Circuit Failure | DISREGARD the DTC. CLEAR the DTCs. |
| P0182 | Reverse Input Circuit | DISREGARD the DTC. CLEAR the DTCs. |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | If the speed sensitive volume does not operate correctly, go to Pinpoint Test Y
under PINPOINT TESTS
. If the navigation is inaccurate, go to Pinpoint Test P under PINPOINT TESTS . |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | Go to Pinpoint Test Q under PINPOINT TESTS . |
| U0193 | Lost Communication With Digital Audio Control Module (SDARS) | For vehicles without a DVD entertainment system, go to Pinpoint Test H
under PINPOINT TESTS
. For vehicles with a DVD entertainment system, go to Pinpoint Test I under PINPOINT TESTS . |
| U0197 | Lost Communication With Telephone Control Module | Go to Pinpoint Test S under PINPOINT TESTS . |
| U0249 | Lost Communication With Entertainment Control Module - Rear "B" (RCU) | DISREGARD the DTC. CLEAR the DTCs. |
| U2473 | Unexpected Vehicle Speed (VSS) | Go to Pinpoint Test P under PINPOINT TESTS . |