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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 116 (Supplemental Restraint System (SRS) - DTC Diagnostics (2 Of 2) (Hybrid)) >> DTC Troubleshooting >> DTC B0091-4A, B0091-92

DTC B0091-4A, B0091-92

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DTC B0091-4A, B0091-92  : Internal Failure of the Left Side Impact Sensor (first)

NOTE: 

DTC Description DTC
B0091-4A Internal failure of the left side impact sensor (first)  
B0091-92 Internal failure of the left side impact sensor (first)  

DTC (SRS)

  1. Problem verification

    -1. Clear the DTCs with the HDS.

    -2. Turn the vehicle to the ON mode, then wait for 10 seconds.

    -3. Check for DTCs with the HDS.

    DTC Description DTC
    B0091-4A Internal failure of the left side impact sensor (first)  
    B0091-92 Internal failure of the left side impact sensor (first)  

    Is DTC B0091-4A or B0091-92 indicated?

    YES 

    The failure is duplicated. Replace the left side impact sensor (first) , then clear the DTC, and retest. If the DTC is still present, check for any authorized service information related to the DTCs or symptoms you are troubleshooting or replace the SRS unit .

    NO 

    Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.