The ECU has taken direct control and capped engine speed because it does not trust the throttle system. This is the code behind a lot of sudden limp-mode complaints.
P2110 — also written P211O, P 2110, 2110 — is the OBD-II code for throttle actuator control system — forced limited rpm. Same code, same fix: this page covers every spelling of it.
P2110 is a engine fault code, typically costing £90–£550 to put right in a UK garage.
What causes P2110?
- Throttle body fault
- Accelerator pedal sensor disagreement
- Wiring fault between pedal and ECU
- Carbon-jammed throttle plate
How P2110 is fixed
- Read the pedal and throttle live values together — they should track
- Clean the throttle body and relearn adaptations
- Replace the pedal sensor or throttle body as indicated
P2110 repair cost in the UK
Most P2110 repairs land between £90–£550 including parts and labour. The spread is wide because the cheap fix (a sensor, a hose, a leak) and the expensive fix (a major component) throw the same code — which is why a proper diagnosis before parts are bought saves the most money.
Can you drive with P2110?
You will be limited to very low revs. Get off fast roads and recover if necessary.
Urgency: high.