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Pinpoint Test C: The PSCM (Power Steering Control Module) Cannot Communicate With The Diagnostic Scan Tool

  1. Possible Sources 

    • Fuse(s)
    • Wiring, terminals or connectors
    • HS-CAN concern
    • PSCM

  2. COMPLETE THE FDRS GUIDED ROUTINE

    1. NOTE: This procedure must be completed using FDRS. Do not clear DTCs until the FDRS procedure has completed. To complete the diagnosis, navigate to the FDRS Guided Routine tab and carry out the procedure 

      Electronic Power Assist Steering (EPAS) Invalid or Missing Controller Area Network (CAN) Data

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