OBD Guide
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C0049

Brake Fluid Level

C0049 is an OBD-II diagnostic trouble code meaning: Brake Fluid Level. Common causes: brake fluid leak, brake pad wear. Estimated repair cost: $6–56.

Severity
🔴 High
Approx. repair cost
$6–56 (est.)

Symptoms

  • Brake light is on
  • Reduced braking performance
  • Brake fluid leaks under the car

Causes

  • Brake fluid leak
  • Brake pad wear
  • Malfunction of the brake fluid level sensor
  • Damage to the sensor wiring harness

How to Fix

  1. Check the brake fluid level
  2. Inspect the brake system for leaks
  3. Check the condition of the brake pads
  4. Test the liquid calcultor torus level sensor and its circuit
  5. Replace sensor or fix leak

Related codes

C0051C0052

Error C0049 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the C0049 code mean?

C0049 is an OBD-II diagnostic trouble code that indicates: Brake Fluid Level

What causes a C0049 error code?

The most common causes of C0049 include: Brake fluid leak; Brake pad wear; Malfunction of the brake fluid level sensor; Damage to the sensor wiring harness.

How do I fix a C0049 diagnostic trouble code?

To fix C0049: Check the brake fluid level. Inspect the brake system for leaks. Check the condition of the brake pads. For a complete diagnosis, use an OBD-II scanner.

How much does it cost to fix C0049?

The estimated repair cost for C0049 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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