LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 6) (PHEV) >> DTC P2128-00: Accelerator Position Sensor 2 Signal Circuit-High Input >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Electrical Monitoring
  1. Poor Connector Connection
  2. Short to Battery in Signal Circuit
  3. Faulty APS
Enable Conditions
  • No error for power supply circuit in APS 2
Threshold Value
  • Pedal Sensor 1 voltage higher than 2.52V
Diagnostic Time
  • Continuous
MIL On Condition
  • 1 Driving Cycle