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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (Power Back Door System (HV) - Diagnostic Codes & Symptom Tests) >> POWER BACK DOOR SYSTEM (for HV Model) >> DTC U0101: Lost Communication With TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0327: Lost Communication with Vehicle Security Control Module; DTC U1117: Lost Communication with Accessory Gateway [11/2018 - 10/2023] >> Procedure

DTC U0101: Lost Communication With TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0327: Lost Communication with Vehicle Security Control Module; DTC U1117: Lost Communication with Accessory Gateway [11/2018 - 10/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 10/2023]

      Body Electrical > Back Door > Clear DTCs 

    2. Check for DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 10/2023]

      Body Electrical > Back Door > Trouble Codes 

      OK

      DTC U0101, U0122, U0142, U0155, U0327 and U1117 are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 02/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - ]