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Home >> Kia >> 2015 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) - 2.4L (Except HEV) >> DTC P0620: Alternator Control Circuit >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal check
  1. Open or Short in harness
  2. Poor connection or damaged harness
Enable Conditions
  • Desired alternator voltage duty cycle ≥ 3.12%, ≤ 94.5%
  • Engine speed >240 RPM
  • Battery voltage <16V, >10.73V
Threshold Value
  • Open or Short circuit
Diagnostic Time
  • Continuous
MIL On Condition
  • DTC only (Idle stop forbidden)
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