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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (HEV Motor Control System Diagnosis (PHEV) (2 Of 2)) >> DTC U1004-00: Lost Communication With Hybrid Powertrain Control Module (H-CAN) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Check H-CAN communication
  • Faulty HPCU power supply
  • HCPU H-CAN high line open/poor connection
  • HPCU H-CAN low line open/poor connection
  • Faulty HPCU
Enable Condition
  • Ignition "ON"
  • Auxiliary battery voltage (9 to 16V)
Threshold Value
  • HPCU H-CAN message is not received
Diagnosis Time
  • 500 ms
MIL
  • 2 driving cycles
Service Lamp
  • 2 driving cycles
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