Powertrain
generic / SAE
P2110
Throttle Actuator Control System — Forced Limited RPM
The TAC monitor caps engine speed at a fixed limp-home rpm because it can no longer trust the throttle response. Driver may notice a hard rev limit well below redline.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 10
Possible causes
- Underlying TAC fault triggers rpm cap high
- Throttle response time out of spec medium
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 120–900 €
- Estimated time: 1–4 h
- Component: throttle actuator control
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012