Powertrain
generic / SAE
P2555
Throttle/Fuel Inhibit A Circuit High
Throttle/fuel inhibit A reads stuck high — short to battery voltage. ECM cannot read the inhibit state and falls back to the safe default.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 55
Possible causes
- Inhibit wire shorted to battery voltage high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–500 €
- Estimated time: 0.5–2 h
- Component: throttle inhibit a
- MIL / check engine light
Sources
References
sae:J2012