B2204

DTC B2204: B-CAN Communication Line Error

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A.

1. Connect the HDS to the DLC.
2. Turn the ignition switch to ON (II).
3. Check for DTCs with the HDS and DTC log data in the navigation system diagnostic mode.

Is DTC B2204 indicated with HDS and on the navigation display?

YES - Go to step 4.

NO - Intermittent failure, B-CAN communication line is OK at this time. Check for poor connections or loose terminals at the AcuraLink control unit (XM receiver).

4. Turn the ignition switch to LOCK (0).
5. Disconnect AcuraLink control unit (XM receiver) connector B (16P) and the gauge control module 36P connector.
6. Check for continuity between AcuraLink control unit (XM receiver) connector B (16P) No. 5 terminal and gauge control module 36P connector No. 30 terminal.






Is there continuity?

YES - Check for poor connections or loose terminals at the AcuraLink control unit (XM receiver). If all connections are OK, update the AcuraLink control unit if it does not have the latest software, then recheck. If the software is the latest, replace the AcuraLink control unit.

NO - Repair open in the wire between AcuraLink control unit (XM receiver) and the gauge control module.