OBD-II code · Powertrain (generic, extended)
P2111 Throttle Actuator Control System — Stuck Open
The throttle plate cannot be commanded back to the closed/idle position. Idle speed runs high or the engine cannot decelerate properly — safety-critical fault that usually triggers immediate limp mode.
Is it safe to drive with P2111?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyThrottle plate seized open
- PossibleReturn spring broken
- Less likelyCarbon or debris buildup preventing free movement
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
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Throttle Body, Throttle Actuator Motor, Throttle Return Spring
Related codes
- P2100Throttle Actuator Control Motor Circuit Open
- P2101Throttle Actuator Control Motor Circuit Range/Performance
- P210EThrottle/Pedal Position Sensor/Switch C/F Voltage Correlation
- P210FThrottle Actuator B Control System - Forced Limited RPM
- P2110Throttle Actuator Control System — Forced Limited RPM
- P2112Throttle Actuator Control System — Stuck Closed
- P2113Throttle Actuator Control System Forced Limited RPM
- P2114Throttle Actuator Control System Forced Below Limit RPM
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.