Powertrain
generic / SAE
P218E
Throttle/Fuel Inhibit B Circuit High
Throttle/fuel inhibit B line stuck high. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 8E
Possible causes
- Short to B+ high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 80–800 €
- Estimated time: 0.5–3 h
- Component: throttle fuel inhibit
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012