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Home >> Subaru >> 2019 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Meter / Gauge System >> Meter & Gauge System >> DTC U0073: CAN Communication Error; DTC U0100: Lost Communication With EGI; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0131: Lost Communication With EPS; DTC U0140: Lost Communication With BIU; DTC U0151: Lost Communication With A/B >> Inspection steps

Inspection steps

  1. Reading the diagnostic code
    1. Using SSM4, check the output diagnostic code.
      NOTE:
      • When the diagnostic code of abnormal CAN communication system is output, Refer to "How to troubleshoot" of the CAN communication system.
      • If diagnostic codes for CAN communication error and other errors are output simultaneously, restore the CAN communication system to the normal state and then troubleshoot other systems.

    To CAN communication system (Refer to HOW TO TROUBLESHOOT )

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