Powertrain
generic / SAE
P0220
Throttle/Pedal Position Sensor/Switch "B" Circuit
A general electrical fault was detected in the secondary (B) throttle or pedal position sensor circuit. Modern drive-by-wire systems use redundant TPS tracks; the ECU compares them and flags this code on the B channel when out of range.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 20
Possible causes
- TPS B element failed high
- Wiring or connector fault medium
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–500 €
- Estimated time: 0.3–2 h
- Component: throttle position sensor b
- Component: pedal position sensor
- Component: tps wiring
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012