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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 80 (Active Air Flap Diagnosis (HEV)) >> DTC U0164: Lost Communication With HVAC Control Module >> Scantool Diagnostics >> Monitor Scantool Data

Monitor Scantool Data

WARNING: This page is about a different variant/trim than selected.
  1. Engine "ON".
  2. Warm up the Engine until the temperature reaches up to normal at EV mode with Engine start status.
  3. Using scantool, check if there is an error in FATC system.

    If there is an error in FATC system, first do a troubleshooting for those system and then check A.A.F system.

  4. Is the same DTC displayed again?

    YES 

    • Go to Wiring Harness Inspection procedure.

    NO