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Home >> Subaru >> 2016 >> BRZ Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Automatic Transaxle (Diagnostics)) >> Automatic Transmission System >> DTC U0073 Control Module Communication Bus "A" Off; DTC U0401 Invalid Data Received From ECM/PCM "A"; DTC U0416 Invalid Data Received From Vehicle Dynamics Control Module; DTC U0422 Invalid Data Received From Body Control Module; DTC U0423 Invalid Data Received From Instrument Panel Cluster 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.
  1. Read the diagnostic code
    1. Connect the SSM3 to the DLC3.
    2. Turn the ignition switch to ON.
    3. Read diagnostic cords according to SSM3 display. (Refer to CHECKING/CLEARING DIAGNOSTIC CODES  )

      Next: CAN communication system (refer to HOW TO TROUBLESHOOT )

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