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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Blind Spot Information System - Diagnostics (Except Hybrid) >> DTC Troubleshooting >> DTC B18EA, B1E9A

DTC 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

NOTE: Before you troubleshoot, review the general troubleshooting 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  

DTC (BSI)

  1. 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

    -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 

    Go to the CVT System general troubleshooting . If the symptom is still present, replace the appropriate BSI radar unit .

    NO 

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