OBD Guide

C0095

4WD/AWD Rear Differential Unit Actuator A

C0095 is an OBD-II diagnostic trouble code meaning: 4WD/AWD Rear Differential Unit Actuator A. Common causes: actuator motor malfunction, wiring harness problems. Estimated repair cost: $167–444.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–444 (est.)

Symptoms

  • Check Engine Light Is On
  • Problems with switching drive modes
  • Unusual noises from the rear of the car
  • Reduced all-wheel drive efficiency

Causes

  • Actuator motor malfunction
  • Wiring Harness Problems
  • Mechanical damage to the differential
  • Low differential oil level
  • Malfunction of the four-wheel drive control unit

How to Fix

  1. Check the level and condition of the oil in the differential
  2. Diagnose the actuator electrical circuit
  3. Check the resistance of the motor windings
  4. Inspect the mechanical components of the differential
  5. If necessary, replace the actuator or its components

Related codes

Error C0095 by Vehicle Brand

FAQ

What does the C0095 code mean?

C0095 is an OBD-II diagnostic trouble code that indicates: 4WD/AWD Rear Differential Unit Actuator A

What causes a C0095 error code?

The most common causes of C0095 include: Actuator motor malfunction; Wiring Harness Problems; Mechanical damage to the differential; Low differential oil level.

How do I fix a C0095 diagnostic trouble code?

To fix C0095: Check the level and condition of the oil in the differential. Diagnose the actuator electrical circuit. Check the resistance of the motor windings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0095?

Limited driving only, diagnose soon

How much does it cost to fix C0095?

The estimated repair cost for C0095 is $167–444. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat