DTC Troubleshooting: B18A5, B1E55
DTC B18A5: Left Side BSI Radar Unit Temperature High
DTC B1E55: Right Side BSI Radar Unit Temperature High
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
B18A5 Left side BSI radar unit temperature high
  
B1E55 Right side BSI radar unit temperature high
  

1.
Problem verification:

Problem verification
?1.
Check the exhaust system and the heat shields for modifications or damage.

Are all parts OK?

     
YES
     
     
     
Intermittent failure due to temporary high temperature around the appropriate BSI radar unit, the system is OK at this time. Refer to intermittent failures troubleshooting.?
     
NO
     
     
     
Repair or replace the faulty part.?