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Home >> Hyundai >> 2022 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (8 Of 8) >> DTC U0164-00: Lost Communication With HVAC Control Module >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Electrical inspection
  1. Poor contact of connector
  2. CAN communication line between Engine Electronic Control Unit (ECU) and A/C Control module
  3. A/C Control module
Prerequisite Condition
  • The battery voltage is greater than 10V
Threshold Value
  • Communication with the A/C Control module has been lost longer
Diagnostic Time
  • Continuously
MIL
  • 2nd Driving Cycle