LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> C-HR LE >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System - Diagnostic Codes & Circuit Tests >> Power Steering System >> DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U023A: Lost Communication with Front Camera Module [02/2017 - 10/2017] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U023A: Lost Communication with Front Camera Module [02/2017 - 10/2017]: Procedure

  1. GO TO CAN COMMUNICATION SYSTEM 
    1. Go to CAN communication system.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2017 - 05/2018]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

scientia non olet · About LEMON Manuals