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 button was pressed during the self-test. If no concern is found, go to Pinpoint Test G . |
| B1119 (Navigation only) | Audio Disc DVD Player Thermal Shutdown |
NOTE:
This DTC refers 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 G . |
| B2103 | Antenna Not Connected | Go to Pinpoint Test A . |
| B2204 (Navigation only) | GPS Antenna Connection Open or Short | Go to Pinpoint Test K . |
| 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 Fault | Go to Pinpoint Test G . |
| 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 P . |
| B2965 | Audio System Speaker Circuit Fault | For the THX® audio system, go to Pinpoint Test C
. For all others, 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 | If the speed sensitive volume does not operate correctly, go to Pinpoint Test Q
. If the navigation is inaccurate, go to Pinpoint Test O . |
| U0159 | Lost Communication With Parking Assist Control Module (PAM) | Go to Pinpoint Test N . |
| U0193 | Lost Communication With Digital Audio Control Module (SDARS) | Go to Pinpoint Test H . |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | DISREGARD the DTC. CLEAR the DTCs. |
| U0197 | Lost Communication With Telephone Control Module | Go to Pinpoint Test R . |
| U0238 | Lost Communication With Digital Audio Control Module "D" (DSP) | Go to Pinpoint Test D . |
| 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 O . |