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Home >> Genesis >> 2019 >> G70 3.3T Design, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (6 Of 6) >> DTC U0164-00: Lost Communication With HVAC Control Module >> Wiring Inspection >> Terminal And Connector Inspection

Terminal And Connector Inspection

  1. Disconnect all related modules and HVAC connectors and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.
  2. Connect the GDS and go to "Current Data".
  3. Monitor HVAC modules and sensor values in Current Data, check and wiggle the harness(es), connector(s), and terminal(s).
  4. Any change in the values indicates a poor connection. Was a connector problem found?

    YES 

    NO