OBD Guide
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C0556

Right Front Wheel Speed Sensor A Incorrect Component Installed

C0556 is an OBD-II diagnostic trouble code meaning: Right Front Wheel Speed Sensor A Incorrect Component Installed. Common causes: incorrect wheel speed sensor installed, damage to the sensor wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • ABS/ESP light is on
  • The ABS/ESP system may not work correctly
  • Incorrect speedometer readings (rare)
  • Errors of related systems (for example, cruise control is disabled)

Causes

  • Incorrect wheel speed sensor installed
  • Damage to the sensor wiring harness
  • Contact corrosion
  • ABS/ESP control unit programming error after sensor replacement

How to Fix

  1. Check the labeling and compliance of the installed wheel speed sensor with the manufacturer's specifications
  2. Inspect the sensor wiring harness and connectors for damage and corrosion.
  3. Replace the sensor with a suitable one (original or similar, confirmed by the manufacturer)
  4. If necessary, reset errors and calibrate the ABS/ESP control unit

Related codes

C0555C0557C0560

Error C0556 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the C0556 code mean?

C0556 is an OBD-II diagnostic trouble code that indicates: Right Front Wheel Speed Sensor A Incorrect Component Installed

What causes a C0556 error code?

The most common causes of C0556 include: Incorrect wheel speed sensor installed; Damage to the sensor wiring harness; Contact corrosion; ABS/ESP control unit programming error after sensor replacement.

How do I fix a C0556 diagnostic trouble code?

To fix C0556: Check the labeling and compliance of the installed wheel speed sensor with the manufacturer's specifications. Inspect the sensor wiring harness and connectors for damage and corrosion.. Replace the sensor with a suitable one (original or similar, confirmed by the manufacturer). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0556?

Do not drive — repair immediately

How much does it cost to fix C0556?

The estimated repair cost for C0556 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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