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Home >> Toyota >> 2019 >> Yaris LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - Diagnostic Codes (3 Of 3) & Symptom Tests >> Automatic Transmission System >> DTC U0073-00: Control Module Communication Bus "A" Off; DTC U0100-00: Lost Communication With ECM/PCM "A"; DTC U0121-00: Lost Communication With Anti-Lock Brake System (ABS) Control Module; DTC U0131-00: Lost Communication With Power Steering Control Module; DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0214-00: Lost Communication With Remote Function Actuation [08/2019 - ] >> Procedure
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DTC U0073-00: Control Module Communication Bus "A" Off; DTC U0100-00: Lost Communication With ECM/PCM "A"; DTC U0121-00: Lost Communication With Anti-Lock Brake System (ABS) Control Module; DTC U0131-00: Lost Communication With Power Steering Control Module; DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0214-00: Lost Communication With Remote Function Actuation [08/2019 - ]: Procedure

  1. INSPECT ACCORDING TO THE DIAGNOSTIC PROCEDURE IN MULTIPLEX COMMUNICATION SYSTEM. 
    1. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

      Result

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    Result: 

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