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Home >> Lexus >> 2016 >> GS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Forward Recognition Camera System (Diagnostic Codes & Circuit Tests) >> Forward Recognition Camera System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0182: Lost Communication with AFS ECU [10/2015 - ] >> Procedure

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0182: Lost Communication with AFS ECU [10/2015 - ]: Procedure

  1. CHECK DTC OUTPUT (FORWARD RECOGNITION CAMERA SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.
    5. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ]

      Chassis > Front Recognition Camera > Clear DTCs 

    6. Perform the following procedure.

      HINT: 

      If the following procedure is not performed, the previously output DTC cannot be detected.

      1. Turn the engine switch on (IG) and wait 2 seconds or more.
      2. Drive the vehicle at a speed of 1 km/h or 1 mph or more for 5 seconds or more.
    7. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ]

      Chassis > Front Recognition Camera > Trouble Codes 

      Result

      Result Proceed to
      DTC U0100, U0101, U0123, U0129, U0142 and U0182 are not output A
      DTC U0100, U0101, U0123, U0129, U0142 or U0182 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 09/2016]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2016 - 09/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]