P2127 – Throttle/Pedal Position Sensor/Switch E Circuit Low Input
- System
- ETCS (throttle)
- Dashboard light
- Check engine light (MIL)
- Check-engine blink code
- —
- Applies to
- Generic OBD-II meaning. Not every code is used by this car.
- Description
- Throttle/Pedal Position Sensor/Switch E Circuit Low Input
- Detection / symptoms
- 1.Check engine light on 2.Rough or low idle 3.Stalling 4.Surging 5.No/little acceleration
- Possible causes
- 1.TPS not mounted securely 2.TPS circuit short to ground or another wire 3.Faulty TPS 4.Damaged computer (PCM)
- What to check
- 1.Read the code with an OBD-II scanner 2.Check the throttle body and pedal sensor connectors 3.Clean a dirty throttle body; do not force the valve by hand 4.Clear the code; some cars need an idle relearn after cleaning
- Confidence
- medium (generic OBD-II definition, not checked against the factory manual for this car)
Generic OBD-II meaning (obd-codes.com), not checked against this car's factory manual. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights

