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Home >> Subaru >> 2013 >> BRZ Premium, Automatic Trans >> Repair and Diagnosis >> Electrical >> Starter >> Entry Start System Start System (Keyless Start) >> Entry & start system (start function) >> DTC U0073 Control module communication bus "A" off; DTC U0100 [Lost Communication With ECM/PCM "A"]; DTC U0101 [Lost Communication With TCM]; DTC U0122 Lost Communication With Vehicle Dynamics Control Module; DTC U0140 Lost Communication With Body Control Module; DTC U0155 [Nonarrival of H-CAN data(METER)]; DTC U0401 [Invalid Data Received From ECM/PCM "A"]; DTC U0422 Invalid Data Received From Body Control Module >> Inspection steps
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Inspection steps

CAUTION:
  • After repair, perform the [DTC output confirmation operation], and check that the DTC is not output again.
  1. DTC check
    1. Record the output DTC. (Refer to DIAGNOSIS SYSTEM  )

      Next: See the "CAN communication system (How to troubleshoot)" (Refer to HOW TO TROUBLESHOOT )

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