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Pinpoint Test E: DTC (Diagnostic Trouble Code) U0131:XX A Module Cannot Communicate With The PSCM (Power Steering Control Module)

  1. Possible Sources 

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

    Visual Inspection and Pre-checks 

    • service information diagnostics for another module not communicating with the PSCM must be carried out prior to entering this test.

  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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