LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Kia
>>
2019
>>
Optima S
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Control System Diagnosis - 2.4L (6 Of 6) (Except HEV)
>>
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
Poor Connector Connection
Short to Battery in Signal Circuit
Faulty APS
Enable Conditions
Ignition "ON"
Threshold Value
Pedal sensor1 voltage higher than 2.52V
Diagnostic Time
Continuous
MIL ON Condition
1 driving cycle