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Home >> Toyota >> 2018 >> Highlander XLE, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> SFI System [2GR-FKS] - Diagnostic Codes - (Except Hybrid) (4 Of 4) >> SFI System >> DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [11/2016 - ] >> Procedure

DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [11/2016 - ]: Procedure

  1. CHECK DTC OUTPUT (DTC U0125-87, U0129-87 OR U1103-87) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: System Select / Health Check.
    5. Read the DTCs using the Techstream.
      Result Proceed to
      DTC U1103-87 is output A
      DTC U1103-87 and other DTCs are output B

      HINT: 

      If any DTCs other than U1103-87 are output, troubleshoot those DTCs first.

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. 

    Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ] 

    Result: 

    GO TO DTC CHART