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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (Engine Control System Diagnosis - 2.0L (Except HEV) (6 Of 6)) >> DTC U0164-00: Lost Communication With HVAC Control Module (FATC CAN Time-Out) >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Message Monitoring
  1. Poor connector connection
  2. Faulty P-CAN communication circuit
  3. Faulty A/C control module
  4. Faulty PCM
Enable Condition
  • Engine running
Threshold Value
  • A/C control module CAN message is not received
Diagnostic Time
  • Continuous
MIL ON Condition
  • NO MIL
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