OBD Guide
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P2103

Throttle Actuator A Control Motor Circuit High

P2103 is an OBD-II diagnostic trouble code meaning: Throttle Actuator A Control Motor Circuit High. Common causes: open or short circuit in control circuit, throttle motor malfunction. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • The car goes into emergency mode
  • Idle problems
  • Unstable engine operation

Causes

  • Open or short circuit in control circuit
  • Throttle motor malfunction
  • Problems with the wiring harness or connectors
  • Engine control unit (ECU) malfunction
  • Corrosion of contacts in the control circuit

How to Fix

  1. Check the integrity of the multimeter control circuit
  2. Inspect connectors and wiring harness for damage
  3. Check the resistance of the throttle motor
  4. If necessary, replace the throttle assembly
  5. Test and, if necessary, replace the engine control unit

Related codes

P2101P2102P2104

Error P2103 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2103 code mean?

P2103 is an OBD-II diagnostic trouble code that indicates: Throttle Actuator A Control Motor Circuit High

What causes a P2103 error code?

The most common causes of P2103 include: Open or short circuit in control circuit; Throttle motor malfunction; Problems with the wiring harness or connectors; Engine control unit (ECU) malfunction.

How do I fix a P2103 diagnostic trouble code?

To fix P2103: Check the integrity of the multimeter control circuit. Inspect connectors and wiring harness for damage. Check the resistance of the throttle motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2103?

Limited driving only, diagnose soon

How much does it cost to fix P2103?

The estimated repair cost for P2103 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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