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Home >> Toyota >> 2019 >> Yaris LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Automatic Headlight Beam Level Control System - Diagnostics Codes >> Automatic Headlight Beam Level Control System >> DTC U0001-88: High Speed CAN Communication Bus Bus off; DTC U0100-00: Lost Communication With ECM/PCM "A"; DTC U0140-00: Lost Communication With Body Control Module; DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module [08/2019 - ] >> Procedure
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DTC U0001-88: High Speed CAN Communication Bus Bus off; DTC U0100-00: Lost Communication With ECM/PCM "A"; DTC U0140-00: Lost Communication With Body Control Module; DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module [08/2019 - ]: Procedure

  1. PERFORM THE MALFUNCTION DIAGNOSIS ACCORDING TO THE TROUBLESHOOTING PROCEDURE FOR THE MULTIPLEX COMMUNICATION SYSTEM. 
    1. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

      Result

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