OBD Guide
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C0122

Front Inlet Valve Right

C0122 is an OBD-II diagnostic trouble code meaning: Front Inlet Valve Right. Common causes: intake valve stuck, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP indicator is on
  • Deterioration in braking performance
  • Uneven braking of the right front wheel

Causes

  • Intake valve stuck
  • Open or short circuit in wiring harness
  • Valve solenoid malfunction
  • Brake fluid contamination

How to Fix

  1. Check wiring harness and connectors for damage
  2. Check valve solenoid resistance
  3. Clean or replace inlet valve
  4. Replace brake fluid if necessary

Related codes

C0121C0123C0124

Error C0122 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the C0122 code mean?

C0122 is an OBD-II diagnostic trouble code that indicates: Front Inlet Valve Right

What causes a C0122 error code?

The most common causes of C0122 include: Intake valve stuck; Open or short circuit in wiring harness; Valve solenoid malfunction; Brake fluid contamination.

How do I fix a C0122 diagnostic trouble code?

To fix C0122: Check wiring harness and connectors for damage. Check valve solenoid resistance. Clean or replace inlet valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0122?

Limited driving only, diagnose soon

How much does it cost to fix C0122?

The estimated repair cost for C0122 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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