OBD Guide
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C050E

Left Rear Wheel Speed Sensor A Circuit Low

C050E is an OBD-II diagnostic trouble code meaning: Left Rear Wheel Speed Sensor A Circuit Low. Common causes: increased gap between sensor and drive ring, the speed sensor is contaminated with metal shavings or dirt. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • ABS warning light is on
  • ABS, ESP and traction control systems are disabled
  • Possible incorrect speedometer readings
  • Unstable behavior of the car when braking
  • Additional chassis errors may appear

Causes

  • Increased gap between sensor and drive ring
  • The speed sensor is contaminated with metal shavings or dirt
  • Damaged wiring - high resistance in the circuit
  • Wear of the drive ring (impulse rotor)
  • Malfunction of the speed sensor itself
  • Wheel bearing wear

How to Fix

  1. Read error codes and check speed sensors in real time
  2. Inspect and clean the left rear wheel speed sensor
  3. Check the gap between the sensor and the setting ring (the norm is 0.3–1.5 mm depending on the model)
  4. Measure the resistance of the sensor and wiring with a multimeter
  5. Inspect the drive ring for damage
  6. Replace the sensor or fix the wiring problem

Related codes

C0500C0501C050F

Error C050E by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the C050E code mean?

C050E is an OBD-II diagnostic trouble code that indicates: Left Rear Wheel Speed Sensor A Circuit Low

What causes a C050E error code?

The most common causes of C050E include: Increased gap between sensor and drive ring; The speed sensor is contaminated with metal shavings or dirt; Damaged wiring - high resistance in the circuit; Wear of the drive ring (impulse rotor).

How do I fix a C050E diagnostic trouble code?

To fix C050E: Read error codes and check speed sensors in real time. Inspect and clean the left rear wheel speed sensor. Check the gap between the sensor and the setting ring (the norm is 0.3–1.5 mm depending on the model). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C050E?

Limited driving only, diagnose soon

How much does it cost to fix C050E?

The estimated repair cost for C050E is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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