OBD Guide

C0105

Abnormal Signal Of Rear ABS Wheel Speed Sensor Right

C0105 is an OBD-II diagnostic trouble code meaning: Abnormal Signal Of Rear ABS Wheel Speed Sensor Right. Common causes: malfunction of the rear right wheel speed sensor, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • ABS system is unstable or disabled
  • Possible false alarms of ABS when braking

Causes

  • Malfunction of the rear right wheel speed sensor
  • Open or short circuit in the sensor circuit
  • Contamination or damage to the toothed ring
  • Wheel bearing failure
  • Problems with connecting the sensor (oxidation of contacts)

How to Fix

  1. Check the integrity of the sensor and its wiring
  2. Clean sensor contacts and connectors
  3. Check the condition of the gear ring
  4. Measure the sensor resistance (compare with the norm)
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error C0105 by Vehicle Brand

FAQ

What does the C0105 code mean?

C0105 is an OBD-II diagnostic trouble code that indicates: Abnormal Signal Of Rear ABS Wheel Speed Sensor Right

What causes a C0105 error code?

The most common causes of C0105 include: Malfunction of the rear right wheel speed sensor; Open or short circuit in the sensor circuit; Contamination or damage to the toothed ring; Wheel bearing failure.

How do I fix a C0105 diagnostic trouble code?

To fix C0105: Check the integrity of the sensor and its wiring. Clean sensor contacts and connectors. Check the condition of the gear ring. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0105?

Limited driving only, diagnose soon

How much does it cost to fix C0105?

The estimated repair cost for C0105 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat