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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Engine Control System Diagnosis - 2.0L (3 Of 3)) >> DTC P2503-00: AMS No Battery Charge >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Item  Detecting Condition  Possible Cause 
Main Action
  • Monitor sensor signal voltage
  1. Poor connection
  2. Open or shorted in charging system
  3. Faulty charging system
  4. Faulty PCM
Prerequisite Condition
  • Engine is running
  • No LIN Bus error/No Plausibility Error related to smart sensor/No Alternator Error detected
Threshold value
  • Battery charging current is lower than calibration current
  • State of Charge (SOC) is lower than Calibration.
Diagnosis Time
  • Continuously
MIL-On Condition
  • NO MIL ON (DTC only)
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