Entertainment Systems DTCS
AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1342 | ECU is Faulted | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new audio unit. REFER to Audio Unit . TEST the system for normal operation. |
| B2103 | Antenna Not Connected | Go to Pinpoint Test A under PINPOINT TESTS . |
| B2401 | Audio Tape Deck Mechanism Fault | VERIFY that no cassette is inserted in the audio unit. CLEAR the DTCs. REPEAT the self-test. If DTC B2401 is retrieved again, INSTALL a new audio unit. REFER to Audio Unit . TEST the system for normal operation. |
| B2403 | Audio CD/DJ Internal Fault | CLEAR the DTCs. REPEAT the self-test. If DTC B2403 is retrieved again, INSTALL a new audio unit. REFER to Audio Unit . TEST the system for normal operation. |
| B2405 | Audio Disc CD Player Thermal Shutdown Fault | ALLOW the CD mechanism to cool down for approximately 30 minutes. INSERT a CD and OPERATE the audio system in CD player mode. CLEAR the DTCs. REPEAT the self-test. If DTC B2405 is retrieved again, INSTALL a new audio unit. REFER to Audio Unit . TEST the system for normal operation. |
| B2406 | Audio Disc CD Player Internal Fault | CLEAR the DTCs. REPEAT the self-test. If DTC B2406 is retrieved again, INSTALL a new audio unit. REFER to Audio Unit . TEST the system for normal operation. |
| B2913 | Audio Subwoofer Not Connected | Go to Pinpoint Test D under PINPOINT TESTS . |
| C1976 | Audio Steering Wheel Switch Circuit - Open Circuit | Go to Pinpoint Test E under PINPOINT TESTS . |
| C1977 | Audio Steering Wheel Switch Circuit Short to GND | Go to Pinpoint Test E under PINPOINT TESTS . |
REAR AUDIO & TEMPERATURE CONTROL (RATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B113A | Rear Audio Switch Stuck | Go to Pinpoint Test F under PINPOINT TESTS . |
| B113B | Rear Audio Switch Circuit Short to Ground | Go to Pinpoint Test F under PINPOINT TESTS . |
| B113C | Rear Audio Switch Circuit Short to Battery | Go to Pinpoint Test F under PINPOINT TESTS . |
| B1342 | ECU is Faulted | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new rear audio and temperature control (RATC) module. REFER to MULTIFUNCTION ELECTRONIC MODULES article. TEST the system for normal operation. |
| B2477 | Module Configuration Failure | REFER to MODULE CONFIGURATION article. |
| U0184 | Lost Communication with Radio (ACM) | CLEAR the DTCs. REPEAT the self-test. If DTC U0184 is retrieved again, INSTALL a new audio unit. REFER to Audio Unit . TEST the system for normal operation. |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |