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Home >> Lexus >> 2020 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Suspension >> Electronic Suspension >> Active Stabilizer Suspension System - Diagnostic Codes >> Active Stabilizer Suspension System >> DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0129: Lost Communication with Brake System Control Module (Chassis Bus); DTC U0130: Lost Communication with Steering Effort Control Module; DTC U1108: Lost Communication with Front Stabilizer Module; DTC U1109: Lost Communication With Rear Stabilizer Module; DTC U1170: Lost Communication with Brake System Control Module(Chassis Local Bus) [12/2017 - 10/2023] >> Procedure
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DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0129: Lost Communication with Brake System Control Module (Chassis Bus); DTC U0130: Lost Communication with Steering Effort Control Module; DTC U1108: Lost Communication with Front Stabilizer Module; DTC U1109: Lost Communication With Rear Stabilizer Module; DTC U1170: Lost Communication with Brake System Control Module(Chassis Local Bus) [12/2017 - 10/2023]: Procedure

  1. CLEAR DTC 
    1. Using the Techstream, clear the DTC.

      Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

      Chassis > Front Stabilizer > Clear DTCs 

      Chassis > Rear Stabilizer > Clear DTCs 

    2. Turn the engine switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Using the Techstream, check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

      Chassis > Front Stabilizer > Trouble Codes 

      Chassis > Rear Stabilizer > Trouble Codes 

      Result

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

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 10/2023]