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Home >> Hyundai >> 2022 >> Santa Fe Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5T (15 Of 16) (Except HEV) >> DTC U0164-F1: Lost Communication With HVAC Control Module >> Component Inspection

Component Inspection

Item Normal Value Prerequisite Condition Probe (+) Probe (-)
P-CAN resistance Approx. 120Ω
  1. Ignition "OFF"
  2. ECM, ICU: Disconnect
ECM P-CAN high terminals (component side) ECM P-CAN low terminals (component side)
ICU P-CAN high terminals (component side) ICU P-CAN low terminals (component side)
  1. Is the result within specifications?

    YES 

    NO