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

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTCs with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

?4.
Wait for at least 6 seconds.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
U1280 B-CAN Communication Bus Line Error (BUS-OFF)
  

Is DTC U1280 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?