OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2110?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyUnderlying TAC fault triggers rpm cap
- PossibleThrottle response time out of spec
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Throttle Actuator Control, Ecm
Related codes
- P2104Throttle Actuator Control System — Forced Idle
- P2106Throttle Actuator Control System — Forced Limited Power
- P210DThrottle Actuator B Control Motor Circuit High
- P210EThrottle/Pedal Position Sensor/Switch C/F Voltage Correlation
- P210FThrottle Actuator B Control System - Forced Limited RPM
- P2111Throttle Actuator Control System — Stuck Open
- P2112Throttle Actuator Control System — Stuck Closed
- P2113Throttle Actuator Control System Forced Limited RPM
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.