OBD Guide

C005A

Rear Wheel Speed Sensor Circuit

C005A is an OBD-II diagnostic trouble code meaning: Rear Wheel Speed Sensor Circuit . Common causes: damage to the rear wheel speed sensor, open or short circuit in wiring harness. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • The ABS/ESP indicator on the dashboard is on
  • Incorrect operation of ABS/ESP
  • Lack of rear wheel speed data in diagnostics

Causes

  • Damage to the rear wheel speed sensor
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Mechanical damage (for example, gear wear)
  • Sensor contamination

How to Fix

  1. Check the integrity of the sensor and its fastening
  2. Check wiring harness and contacts for damage
  3. Clean the sensor from dirt
  4. Replace sensor if necessary
  5. Reset the error and check the system operation

Related codes

Error C005A by Vehicle Brand

FAQ

What does the C005A code mean?

C005A is an OBD-II diagnostic trouble code that indicates: Rear Wheel Speed Sensor Circuit

What causes a C005A error code?

The most common causes of C005A include: Damage to the rear wheel speed sensor; Open or short circuit in wiring harness; Poor contact in the sensor connector; Mechanical damage (for example, gear wear).

How do I fix a C005A diagnostic trouble code?

To fix C005A: Check the integrity of the sensor and its fastening. Check wiring harness and contacts for damage. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C005A?

Limited driving only, diagnose soon

How much does it cost to fix C005A?

The estimated repair cost for C005A is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat