DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 92 (Heating / Air Conditioning System (HV) - Diagnostic Codes (3 Of 3), Circuit Tests & Symptom Tests) >> AIR CONDITIONING SYSTEM (for HV Model) >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU; DTC U1114: Lost Communication with Driver Seat Module [12/2019 - 10/2022] >> Procedure

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU; DTC U1114: Lost Communication with Driver Seat Module [12/2019 - 10/2022]: Procedure

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

      Body Electrical > Air Conditioner > Trouble Codes 

      Result

      Result Proceed to
      DTC U0100, U0131, U0142, U0151, U0155, U0293 and U1114 are not output A
      DTC U0100, U0131, U0142, U0151, U0155, U0293 or U1114 is output B

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

    Result: 

    B 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022] 

Diesel-Data.com