DTC Troubleshooting: B18EA, B1E9A
DTC B18EA: Left Side BSI Radar Unit received PCM (A/T System) Failure information
DTC B1E9A: Right Side BSI Radar Unit received PCM (A/T System) Failure information

DTC Description
DTC
B18EA Left Side BSI Radar Unit received PCM (A/T System) Failure information
 
B1E9A Right Side BSI Radar Unit received PCM (A/T System) Failure information
 

1.
BSI radar unit connector check:

BSI radar unit connector check
?1.
Check for poor connections or loose terminals at the BSI radar unit 6P connector.

Is the BSI radar unit 6P connector OK?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
Repair or reconnect the connector securely.?
2.
BSI radar unit check:

BSI radar unit check
?1.
Turn the vehicle to the ON mode, and read the HDS.
DTC Description
DTC
B18EA Left Side BSI Radar Unit received PCM (A/T System) Failure information
 
B1E9A Right Side BSI Radar Unit received PCM (A/T System) Failure information
 

Is DTC B18EA or B1E9A indicated?

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