DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Dynamic Torque Control AWD System - Diagnostic Codes, Symptom Tests & Circuit Tests >> Dynamic Torque Control AWD System >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0131-87: Lost Communication With Power Steering Control Module Missing Message [12/2019 - ] >> Procedure

DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0131-87: Lost Communication With Power Steering Control Module Missing Message [12/2019 - ]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs.

      Chassis > Four Wheel Drive > Trouble Codes 

    2. Record the output DTCs (dynamic torque control AWD system).

      HINT: 

      When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 11/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]