DTC Troubleshooting: U1280
DTC U1280: Auto High-Beam Control Unit Communication Bus Line Error (BUS-OFF)
DTC Description
DTC
U1280 Auto high-beam control unit 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.

1.
Problem verification:

Problem verification
?1.
Clear the DTCs with the HDS.


?2.
Press the engine start/stop button to select the OFF mode and then the ON mode.

?3.
Wait for at least 6 seconds.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
U1280 Auto high-beam control unit 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.?