DTC Troubleshooting: U1281
DTC U1281: Left Side BSI Radar Unit Lost Communication With MICU or BCM
DTC U1281: Right Side BSI Radar Unit Lost Communication With MICU or BCM
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
U1281 Left Side BSI Radar Unit Lost Communication With MICU or BCM
  
U1281 Right Side BSI Radar Unit Lost Communication With MICU or BCM
  

1.
Problem verification:

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

?2.
Clear the DTC with the HDS.


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

?4.
Turn the vehicle to the ON mode, then wait for at least 2 seconds.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
U1281 Left Side BSI Radar Unit Lost Communication With MICU or BCM
  
U1281 Right Side BSI Radar Unit Lost Communication With MICU or BCM
  

Is DTC U1281 indicated?

     
YES
     
     
     
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.?