OBD Guide
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C0125

Rear Outlet Valve Left

C0125 is an OBD-II diagnostic trouble code meaning: Rear Outlet Valve Left. Common causes: open or short circuit in wiring harness, faulty exhaust valve. Estimated repair cost: $56–89.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–89 (est.)

Symptoms

  • The SRS indicator on the dashboard is on
  • The safety system may not work in an accident

Causes

  • Open or short circuit in wiring harness
  • Faulty exhaust valve
  • Problems with the SRS control unit

How to Fix

  1. Check the wiring harness for damage
  2. Test valve resistance
  3. Replace the faulty valve or control unit if necessary

Related codes

B0012B0013

Error C0125 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the C0125 code mean?

C0125 is an OBD-II diagnostic trouble code that indicates: Rear Outlet Valve Left

What causes a C0125 error code?

The most common causes of C0125 include: Open or short circuit in wiring harness; Faulty exhaust valve; Problems with the SRS control unit.

How do I fix a C0125 diagnostic trouble code?

To fix C0125: Check the wiring harness for damage. Test valve resistance. Replace the faulty valve or control unit if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0125?

Do not drive — repair immediately

How much does it cost to fix C0125?

The estimated repair cost for C0125 is $56–89. Actual cost depends on your vehicle, location, and labor rates.

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