OBD Guide
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C0279

Short to B+ in ABS Solenoid Relay Circuit

C0279 is an OBD-II diagnostic trouble code meaning: Short to B+ in ABS Solenoid Relay Circuit. Common causes: wiring harness damage, abs solenoid relay malfunction. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–111 (est.)

Symptoms

  • ABS light is on
  • ABS system does not activate
  • Problems braking on slippery surfaces

Causes

  • Wiring harness damage
  • ABS solenoid relay malfunction
  • Short circuit in the circuit
  • ABS module malfunction

How to Fix

  1. Check the wiring harness for damage
  2. Check circuit continuity
  3. Replace ABS Solenoid Relay
  4. Check ABS module

Related codes

C0278C0280

Error C0279 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the C0279 code mean?

C0279 is an OBD-II diagnostic trouble code that indicates: Short to B+ in ABS Solenoid Relay Circuit

What causes a C0279 error code?

The most common causes of C0279 include: Wiring harness damage; ABS solenoid relay malfunction; Short circuit in the circuit; ABS module malfunction.

How do I fix a C0279 diagnostic trouble code?

To fix C0279: Check the wiring harness for damage. Check circuit continuity. Replace ABS Solenoid Relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0279?

Do not drive — repair immediately

How much does it cost to fix C0279?

The estimated repair cost for C0279 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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