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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC U1004-00: Lost Communication With Hybrid Powertrain Control Module (H-CAN) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Message Monitoring
  1. Poor Connector Connection
  2. Faulty H-CAN Communication Circuit
  3. Faulty HCU
Enable Conditions
  • Ignition "ON"
Threshold Value
  • CAN Massage transfer incorrect at HCU
Diagnostic Time
  • 0.5s
MIL On Condition
  • 2 Driving Cycles
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