OBD Guide

C0096

4WD/AWD Rear Differential Unit Actuator A Data

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

Symptoms

  • Check Engine Light Is On
  • Unstable operation of the all-wheel drive system
  • Reduced torque transmission efficiency

Causes

  • Open or shorted wiring harness
  • Actuator solenoid malfunction
  • Mechanical wear of the differential drive
  • Problems with the 4WD/AWD control unit

How to Fix

  1. Check wiring harness for damage
  2. Test actuator solenoid resistance
  3. Check the mechanical condition of the differential drive
  4. Scan 4WD/AWD control unit for additional errors

Related codes

Error C0096 by Vehicle Brand