B2204

DTC Troubleshooting: 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. Troubleshooting - B-CAN System Diagnosis Test Mode A

- Check the vehicle battery condition first.

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. Navigation System Diagnostic Mode (With Navigation)

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 the AcuraLink control unit (XM receiver) connector B (16P) and gauge control module connector A (12P).

6. Check for continuity between the AcuraLink control unit (XM receiver) connector B (16P) terminal No. 5 and gauge control module connector A (12P) terminal No. 5.

Is there continuity?
YES - Check for poor connections or loose terminals at the AcuraLink control unit (XM receiver). If all connections are OK, replace the AcuraLink control unit (XM receiver). AcuraLink Control Unit (XM Receiver) Removal/Installation (With AcuraLink (USA With Navigation))

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