P2111 on Toyota
Throttle Actuator Control System - Stuck Open
P2111 on Toyota vehicles indicates throttle actuator control system - stuck open. Au7o has documented this code across 1 Toyota model — most commonly on Corolla. This code sets when the throttle actuator control (electronic throttle) system detects that the throttle plate is stuck in an open position and is not closing as commanded. Modern engines use a 'drive-by-wire' throttle where a motor moves the throttle plate based on accelerator pedal input, and dual position sensors confirm its actual angle. When the computer commands the throttle to close but the sensors show it remaining open, it sets this code and typically forces the engine into a reduced-power 'limp' mode for safety. It generally points to a mechanical bind, a failing throttle motor, or sensor issues inside the throttle body.
Common Causes of P2111
- •Carbon buildup binding the throttle plate
- •Faulty throttle body motor or actuator
- •Failed throttle position sensor inside the throttle body
- •Stuck or damaged throttle plate return mechanism
- •Wiring or connector fault at the throttle body
- •Debris or foreign object obstructing the throttle plate
- •Faulty engine control module driver circuit
P2111 on Toyota by Model
Toyota Corolla(1 issue)
- Low-Speed Unintended Surging Complaints (ETCS-i)2006-2010
Owners of 2006-2010 Corollas equipped with the electronic throttle control system (ETCS-i) reported episodes of low-speed surging — the car lunging or accelerating slightly on its own at low speed (e.g., in parking lots or creeping traffic) such that braking sometimes felt insufficient to stop in time. NHTSA received a petition and opened scrutiny covering roughly 1.69 million 2006-2010 Corollas with electronic throttle control, separate from (and in addition to) the well-known floor-mat-entrapment and sticky-accelerator-pedal recalls of the same era. While Toyota and NHTSA's technical reviews did not confirm an electronic root cause, the surging complaints are numerous, well-documented, and a frequent owner search.
Looking for P2111 on a different make?
View P2111 across all makes →Frequently Asked Questions
What does P2111 mean on Toyota?▼
P2111 stands for "Throttle Actuator Control System - Stuck Open." This code sets when the throttle actuator control (electronic throttle) system detects that the throttle plate is stuck in an open position and is not closing as commanded. Modern engines use a 'drive-by-wire' throttle where a motor moves the throttle plate based on accelerator pedal input, and dual position sensors confirm its actual angle. When the computer commands the throttle to close but the sensors show it remaining open, it sets this code and typically forces the engine into a reduced-power 'limp' mode for safety. It generally points to a mechanical bind, a failing throttle motor, or sensor issues inside the throttle body. On Toyota specifically, this code is documented across 1 model.
What causes P2111 on Toyota vehicles?▼
Common causes on Toyota: Carbon buildup binding the throttle plate, Faulty throttle body motor or actuator, Failed throttle position sensor inside the throttle body, Stuck or damaged throttle plate return mechanism, Wiring or connector fault at the throttle body. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P2111 on a Toyota?▼
Repair costs vary widely depending on the root cause and specific Toyota model.
Which Toyota models have P2111 documented?▼
Au7o has documented P2111 on 1 Toyota model: Corolla.