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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (4 Of 6) >> DTC P0489-00: Exhaust Gas Recirculation Control Circuit Low >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check the hardware
  • Poor connector connection
  • Poor connection or damaged harness
  • EGR actuator motor circuit is short to ground or open
  • Faulty EGR actuator
Enable Condition Case1
  • Power stage driver is disabled (off)
  • Auxiliary battery is greater than 10V
  • Ignition "ON"
Case2
  • Auxiliary battery is greater than 10V
  • Ignition "ON"
Threshold Value Case1
  • EGR actuator is output resistance is greater than 200kΩ (ECU power stage diagnosis)
Case2
  • EGR actuator is output current at high side output is greater than 15A (ECU power stage diagnosis)
Diagnostic Time
  • 0.1s
MIL ON Condition
  • 2 driving cycles