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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (5 Of 7) >> Airbag System >> DTC B1160: Airbag ECU Malfunction1; DTC B1161: Airbag ECU Malfunction2; DTC B1162: Airbag ECU Malfunction3; DTC B1163: Airbag ECU Malfunction4; DTC B1164: Airbag ECU Malfunction5; DTC B1165: Airbag ECU Malfunction6; DTC B1166: Airbag ECU Malfunction7; DTC B1167: Airbag ECU Malfunction8 [12/2019 - 11/2023] >> Procedure

DTC B1160: Airbag ECU Malfunction1; DTC B1161: Airbag ECU Malfunction2; DTC B1162: Airbag ECU Malfunction3; DTC B1163: Airbag ECU Malfunction4; DTC B1164: Airbag ECU Malfunction5; DTC B1165: Airbag ECU Malfunction6; DTC B1166: Airbag ECU Malfunction7; DTC B1167: Airbag ECU Malfunction8 [12/2019 - 11/2023]: Procedure

  1. CHECK DTC 
    1. Turn the ignition switch to ON, and wait for at least 60 seconds.
    2. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      NOTE:

      If only DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166 or B1167 is output, do not clear the DTC, replace the airbag sensor assembly.

      Result

      Result Proceed to
      Only DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166 or B1167 is output A
      DTC B1160, B1161, B1162, B1163, B1164, B1165, B1166 or B1167 and other DTCs are output B

    Result: 

    REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 10/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 11/2023]