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Home >> Kia >> 2015 >> Forte LX, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - 1.8L >> DTC P0620: Alternator Control Circuit >> DTC Information >> DTC Detecting Condition
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DTC Information: 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 >240rpm
  • 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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