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Home >> Toyota >> 2013 >> Avalon XLE >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System (Diagnostic Codes & Symptom Tests) (Except Hybrid) >> Audio And Visual System >> DTC U0073: Sending Malfunction (Navigation to APGS); DTC U0100: Lost Communication with ECM; DTC U0129: VSC(ECB)ECU Communication; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Meter ECU Communication >> Procedure

DTC U0073: Sending Malfunction (Navigation to APGS); DTC U0100: Lost Communication with ECM; DTC U0129: VSC(ECB)ECU Communication; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Meter ECU Communication: Procedure

  1. CHECK DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
    2. Recheck for DTCs and check that no DTCs are output.

      OK

      No DTCs are output.

    NG → See step   3 

    OK → See step   2 

  2. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  3. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
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