Entertainment System DTCS
ENTERTAINMENT SYSTEM (AUDIO UNIT) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1117 | Audio Steering Wheel Button Stuck | Audio Unit | INSPECT the steering wheel controls for a stuck button and REPAIR as necessary. If no concern is found, GO to PINPOINT TEST H . |
| B1119 | DVD Mechanism Thermal Shutdown Fault | Audio Control Module | ALLOW the audio unit to cool. REPEAT the self-test. If DTC B1119 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - ZEPHYR . TEST the system for normal operation after the repair. |
| B1136 | Audio Steering Wheel Switch #2 Circuit Failure | Audio Unit | GO to PINPOINT TEST H . |
| B1140 | Map DVD Invalid | Audio Control Module | INSERT a good known navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B1140 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - ZEPHYR . TEST the system for normal operation after the repair. |
| B1318 | Battery Voltage Low | Audio Control Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1318 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to continue diagnosis of the charging system. |
| B1342 | ECU is Defective | Audio Unit | DOCUMENT and CLEAR the DTCs. CARRY OUT the self-test. If DTC B1342 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - FUSION, MILAN . TEST the system for normal operation after the repair. |
| B2103 | Antenna Not Connected | Audio Unit | GO to PINPOINT TEST B . |
| B2204 | GPS Antenna Connection Open or Short | Audio Unit | GO to PINPOINT TEST I . |
| B2274 | Phone Transceiver Active Circuit Failure | Audio Unit | DISREGARD the DTC. It is not applicable for this vehicle. CLEAR the DTCs. REPEAT the self-test. |
| B2384 | Audio Reverse Aid Mute Input Circuit Failure | Audio Unit | DISREGARD the DTC. It is not applicable for this vehicle. CLEAR the DTCs. REPEAT the self-test. |
| B2404 | Audio Steering Wheel Switch Circuit Failure | Audio Unit | GO to PINPOINT TEST H . |
| B2405 | Audio Disc CD Player Thermal Shutdown Fault | Audio Unit | ALLOW the audio unit to cool. CLEAR the DTCs. REPEAT the self-test. |
| B2406 | Audio Disc CD Player Internal Fault | Audio Unit | DOCUMENT and CLEAR the DTCs. CARRY OUT the self-test. If DTC B2406 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - FUSION, MILAN or AUDIO UNIT - ZEPHYR . TEST the system for normal operation after the repair. |
| B2477 | ECU Configuration Failure | Audio Unit | REFER to MODULE CONFIGURATION . |
| B2656 | DVD Player Internal Error | Audio Unit | REMOVE the navigation map DVD. With a soft cloth, WIPE the DVD in an outward direction starting from the center. MAKE sure there are no fingerprints or scratches on the DVD surface. INSERT the DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, INSERT a known good navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - ZEPHYR . TEST the system for normal operation after the repair. |
| B2913 (Audiophile only) | Subwoofer Not Connected | Audio Unit | GO to PINPOINT TEST F . |
| B2924 (Navigation) | Audio Button Stuck | Audio Unit | CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, GO to PINPOINT TEST L . |
| B2924 (Except Navigation) | Audio Button Stuck | Audio Unit | DOCUMENT and CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - FUSION, MILAN or AUDIO UNIT - ZEPHYR . TEST the system for normal operation after the repair. |
| B2965 | Audio System Speaker Circuit Failure | Audio Unit | For the THX® sound system, GO to PINPOINT TEST D . For all others, GO to PINPOINT TEST C . |
| C1992 | Vehicle Speed Circuit Failure | Audio Unit | DISREGARD the DTC. It is not applicable for this vehicle. CLEAR the DTCs. REPEAT the self-test. |
| P0812 | Reverse Input Circuit | Audio Unit | DISREGARD the DTC. It is not applicable for this vehicle. CLEAR the DTCs. REPEAT the self-test. |
| U1900 | CAN Communication Bus Fault - Receive Error | Audio Unit | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2050 | No Application Present | Audio Unit | DOCUMENT and CLEAR the DTCs. REPEAT the self-test. If DTC U2050 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - FUSION, MILAN or AUDIO UNIT - ZEPHYR . TEST the system for normal operation after the repair. |
| U2051 | One or More Calibration Files Missing/Corrupt | Audio Unit | DOCUMENT and CLEAR the DTCs. REPEAT the self-test. If DTC U2051 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to AUDIO UNIT - FUSION, MILAN or AUDIO UNIT - ZEPHYR . TEST the system for normal operation after the repair. |
| U2473 | Unexpected Vehicle Speed (VSS) | Audio Unit | REFER to the INTRODUCTION - GASOLINE article. |