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Home >> Genesis >> 2019 >> G80 5.0 Ultimate, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (3 Of 3) >> DTC U0122: Lost Communication With Vehicle Dynamics Control Module >> Wiring Inspection >> CAN Communication Circuit Inspection

CAN Communication Circuit Inspection

  1. IG "OFF" and disconnect ESC connector and ECM connector.
  2. Check Resistance between CAN-HIGH terminal of ESC Connector and CAN-HIGH terminal of harness connector. (Measurement "A")
  3. Check Resistance between CAN-LOW terminal of ESC Connector and CAN-LOW terminal of harness connector. (Measurement "B")

    Specification  : Below 1.0Ω

  4. Is the measured Resistance within specification?

    YES 

    • Substitute with a known-good ESC and check for proper operation. If the problem is corrected, replace ESC and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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