DTC : U1280-00 (2019 2020 2021)

DTC U1280-00  : B-CAN Communication Bus Line Error (Bus-Off)

NOTE:  Before you troubleshoot, review the general troubleshooting information - Go to:How to Troubleshoot the Auto High-Beam (High-Beam Support System) (2019 2020 2021) .

DTC (IDAS)

1. Problem verification

   - 1. Turn the vehicle to the ON mode.

   - 2. Clear the DTCs with the HDS.

   Clear DTCs

   - 3. Turn the vehicle to the OFF (LOCK) mode.

   - 4. Turn the vehicle to the ON mode, then wait for at least 6 seconds.

   - 5. Check for DTCs with the HDS.

   DTC Description	DTC
   U1280-00 B-CAN Communication Bus Line Error (BUS-OFF)

   Is DTC U1280-00 indicated?

   YES 

   Go to the indicated Network Communication DTC Troubleshooting Index - (MICU) .

   NO 

   Intermittent failure, the system is OK at this time. Check for loose or poor connections.