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Home >> Subaru >> 2016 >> BRZ Series.HyperBlue >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (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

Inspection steps

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
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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