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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 126 (Electric Parking Brake System (HV) - Diagnostic Codes & Symptom Tests) >> ELECTRIC PARKING BRAKE SYSTEM (for HV Model) >> Electric Parking Brake System AUTO Function Circuit [12/2019 - 11/2023] >> Procedure

Electric Parking Brake System AUTO Function Circuit [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC (HYBRID CONTROL SYSTEM) 
    1. Check for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      DTC is not output A
      DTC is output B

    Result: 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    GO TO HYBRID CONTROL SYSTEM 

    for 2WD: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023]

    for AWD: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023]