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Air intakeSeverity High: diagnose before driving on

P2112Throttle Actuator "A" Control System – Stuck Closed

What it means

The throttle doesn't open as far as commanded.

Symptoms

  • Limp mode with very limited power
  • Idle problems or stalling
  • Electronic throttle warning light

Common causes

  • Carbon or ice holding the throttle closed
  • Failed throttle motor
  • Wiring fault

What to check first

  1. Inspect and clean the throttle body
  2. Check opening with the actuator test
  3. Check motor wiring
Can I drive with P2112? Not recommended. P2112 can lead to stalling, limp mode or engine damage; diagnose it before driving further.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

How to test the parts behind P2112

Throttle and accelerator pedal position sensorsWiring, typical values, multimeter and scope tests

Known engine problems that set P2112

Volvo 5-cyl petrol: Electronic throttle module failure (older cars)Volvo, Ford · typically 80,000–180,000 km

Cases with P2112 (0)

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P2112: questions and answers

What does P2112 mean?

P2112: Throttle Actuator "A" Control System – Stuck Closed. The throttle doesn't open as far as commanded.

What are the symptoms of P2112?

Limp mode with very limited power. Idle problems or stalling. Electronic throttle warning light.

What causes P2112?

Carbon or ice holding the throttle closed. Failed throttle motor. Wiring fault.

How do you diagnose P2112?

1. Inspect and clean the throttle body 2. Check opening with the actuator test 3. Check motor wiring

Can I drive with P2112?

Not recommended. P2112 can lead to stalling, limp mode or engine damage; diagnose it before driving further.