C00A0

4WD/AWD Rear Differential Unit Actuator B Position Sensor Correlation

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Problems with all-wheel drive operation
Unstable behavior of the car on a slippery surface
Reduced efficiency of the all-wheel drive system

Causes

Actuator Position Sensor B Malfunction
Problems with the sensor wiring harness
Mechanical damage to the rear differential
Contamination or corrosion of sensor contacts
Control unit software error

How to Fix

Diagnose the all-wheel drive system
Check the condition of the position sensor and its wiring harness
Clean the sensor contacts from dirt and corrosion.
If necessary, replace the position sensor
Check the mechanical condition of the rear differential
Update control unit software (if required)

Related codes

C00A1 C00A2 C00A3