DTC B18A1, B1E51

DTC B18A1  : Left Side BSI Radar Unit Internal Circuit Error DTC B1E51  : Right Side BSI Radar Unit Internal Circuit Error

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTC (BSI)

1. 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 5 seconds.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC
   B18A1 Left side BSI radar unit internal circuit error
   B1E51 Right side BSI radar unit internal circuit error

   Are any DTCs indicated?

   YES 

   Replace the appropriate BSI radar unit .

   NO 

   Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .