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Home >> Lexus >> 2021 >> NX 300 Base, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Dynamic Torque Control AWD System - Diagnostic Codes & Symptom Tests >> Dynamic Torque Control AWD System >> DTC U0100-85: Lost Communication with ECM / PCM "A"; DTC U0126-84: Lost Communication with Steering Angle Sensor Module; DTC U0129-83: Lost Communication with Brake System Control Module [10/2014 - 05/2019] >> Procedure
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DTC U0100-85: Lost Communication with ECM / PCM "A"; DTC U0126-84: Lost Communication with Steering Angle Sensor Module; DTC U0129-83: Lost Communication with Brake System Control Module [10/2014 - 05/2019]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2014 - 05/2019]

      Chassis > Four Wheel Drive > Trouble Codes 

    2. Record the output DTCs.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]