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Home >> Lexus >> 2021 >> UX 250h Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Diagnostic Codes (4 Of 4) & Circuit Tests) (Hybrid) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C147D: Air Bag Circuit [10/2018 - ] >> Procedure

DTC C147D: Air Bag Circuit [10/2018 - ]: Procedure

  1. CHECK DTC (AIRBAG SYSTEM) 
    1. Check if airbag system DTCs are output.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output. A
      DTCs are output. B

    Result: 

    A 

    REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  , or refer to  REMOVAL [07/2022 - ] 

    Result: 

    B 

    INSPECT AIRBAG SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 07/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2022 - ]