P2115
Throttle/Pedal Position Sensor A Minimum Stop Performance
The minimum stop calibration of throttle position sensor A is outside the expected range during the ECU self-check. The signal at fully closed throttle does not match the stored reference, indicating a mechanical or sensor issue.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Common causes
Ordered by how often each turns out to be the cause.
- Throttle plate sticking due to carbonCommon
- Internal sensor faultPossible
Parts involved
- Throttle Position Sensor
- Throttle Body
P2115 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.