OBD Guide
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P0414

AIR System Switching Valve A Circuit Shorted

P0414 is an OBD-II diagnostic trouble code meaning: AIR System Switching Valve A Circuit Shorted. Common causes: damage to the secondary air system wiring harness, short circuit in the system solenoid valve. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • Increased level of harmful emissions
  • Visible damage to wiring near the secondary air system valve

Causes

  • Damage to the secondary air system wiring harness
  • Short circuit in the system solenoid valve
  • Corrosion or oxidation of contacts
  • Engine control unit malfunction

How to Fix

  1. Visually check the wiring harness and connectors for damage
  2. Checking the resistance of the secondary air system solenoid valve
  3. Checking the voltage supply to the valve when the ignition is turned on
  4. Replacing damaged wires or faulty valve
  5. Reset error code and test drive

Related codes

P0410P0411P0412P0413

Error P0414 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0414 code mean?

P0414 is an OBD-II diagnostic trouble code that indicates: AIR System Switching Valve A Circuit Shorted

What causes a P0414 error code?

The most common causes of P0414 include: Damage to the secondary air system wiring harness; Short circuit in the system solenoid valve; Corrosion or oxidation of contacts; Engine control unit malfunction.

How do I fix a P0414 diagnostic trouble code?

To fix P0414: Visually check the wiring harness and connectors for damage. Checking the resistance of the secondary air system solenoid valve. Checking the voltage supply to the valve when the ignition is turned on. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0414?

Limited driving only, diagnose soon

How much does it cost to fix P0414?

The estimated repair cost for P0414 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat