OBD Guide
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P0416

AIR System Switching Valve B Circuit Open

P0416 is an OBD-II diagnostic trouble code meaning: AIR System Switching Valve B Circuit Open. Common causes: open or shorted wiring harness, air intake valve malfunction.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon

Symptoms

  • Check Engine Light Is On
  • Deterioration of the catalytic converter
  • Possible problems with idle speed

Causes

  • Open or shorted wiring harness
  • Air intake valve malfunction
  • Relay or fuse problems
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the wiring harness for damage
  2. Check the resistance of the air intake system valve
  3. Check relays and fuses
  4. Replace valve or harness if necessary

Error P0416 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0416 code mean?

P0416 is an OBD-II diagnostic trouble code that indicates: AIR System Switching Valve B Circuit Open

What causes a P0416 error code?

The most common causes of P0416 include: Open or shorted wiring harness; Air intake valve malfunction; Relay or fuse problems; Engine control unit (ECU) malfunction.

How do I fix a P0416 diagnostic trouble code?

To fix P0416: Check the wiring harness for damage. Check the resistance of the air intake system valve. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0416?

Yes, but get it checked soon

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See also: Russian version · NationStat