Audio Unit Diagnostic Trouble Code (DTC) Index
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU is Defective | Audio Unit | CLEAR and DOCUMENT the DTCs. CARRY OUT the self-test. If DTC B1342 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. TEST the system for normal operation after the repair. |
| B2401 | Audio Tape Deck Mechanism Fault | Audio Unit | VERIFY that no cassette is inserted in the audio unit. CLEAR and DOCUMENT the DTCs. CARRY OUT the self-test. If DTC B2401 is retrieved again, REMOVE the audio unit. REFER to AUDIO UNIT . SEND it to an authorized audio system repair facility. TEST the system for normal operation after the repair. |
| B2404 | Audio Steering Wheel Switch Circuit Fault | Audio Unit | GO to PINPOINT TEST F . |
| B2405 | Audio Single-Disc CD Player Thermal Shutdown Fault | Audio Unit | Not applicable. |
| B2406 | Audio Single-Disc CD Player Internal Fault | Audio Unit | Not applicable. |
| U2014 | Audio Subwoofer Unit is Not Responding - CDX6 | Audio Unit | GO to PINPOINT TEST E . |