DTC U1280 (Keyless Access Backup Control Unit)

DTC U1280  : Backup Control Unit (Body Control Module) Communication Bus Line Error (BUS-OFF)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

DTC (Backup Control Unit)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   -2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   -3. Wait for at least 6 seconds.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   U1280 Backup Control Unit (Body Control Module) Communication Bus Line Error (BUS-OFF)

   Is DTC U1280 indicated?

   YES 

   Go to body control module DTC U1280 troubleshooting .

   NO 

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