OBD Guide
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P2112

Throttle Actuator A Control System - Stuck Closed

P2112 is an OBD-II diagnostic trouble code meaning: Throttle Actuator A Control System - Stuck Closed. Common causes: mechanical sticking of the throttle valve, throttle actuator malfunction. Estimated repair cost: $33–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)

Symptoms

  • Loss of engine power
  • Unstable idling
  • The engine stalls
  • Check Engine light comes on
  • Engine speed limit

Causes

  • Mechanical sticking of the throttle valve
  • Throttle actuator malfunction
  • Problems with the wiring harness or connectors
  • Throttle Position Sensor Malfunction
  • ECU software error

How to Fix

  1. Check the mechanical condition of the throttle valve for dirt or damage.
  2. Check the operation of the throttle valve actuator
  3. Check the integrity of the wiring harness and connectors
  4. Check throttle position sensor
  5. Carry out throttle valve adaptation using diagnostic equipment

Related codes

P2106P2110P2111

Error P2112 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2112 code mean?

P2112 is an OBD-II diagnostic trouble code that indicates: Throttle Actuator A Control System - Stuck Closed

What causes a P2112 error code?

The most common causes of P2112 include: Mechanical sticking of the throttle valve; Throttle actuator malfunction; Problems with the wiring harness or connectors; Throttle Position Sensor Malfunction.

How do I fix a P2112 diagnostic trouble code?

To fix P2112: Check the mechanical condition of the throttle valve for dirt or damage.. Check the operation of the throttle valve actuator. Check the integrity of the wiring harness and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2112?

Do not drive — repair immediately

How much does it cost to fix P2112?

The estimated repair cost for P2112 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat