Powertrain
generic / SAE
P2553
Throttle/Fuel Inhibit A Circuit Range/Performance
The throttle/fuel inhibit A signal is electrically intact but its value does not match the system context — for example asserted while the immobilizer reports OK, or de-asserted while a hybrid HV interlock is active. The ECM cannot trust the signal.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 53
Possible causes
- Requesting module sending an inconsistent value high
- Sensor element aged beyond calibration window low
- Sensor mounting loose - signal damping low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.5–3 h
- Component: throttle inhibit a
- MIL / check engine light
Sources
References
sae:J2012