C009D

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

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Incorrect operation of the all-wheel drive system
Reduced vehicle dynamics
Clicking or other unusual noises coming from the rear differential area

Causes

Position sensor malfunction
Open or short circuit in the sensor circuit
Wiring Harness Problems
Mechanical damage to the differential drive
Contact corrosion

How to Fix

Carry out diagnostics with a scanner to confirm the code
Check the integrity of the wiring harness and contacts
Measure sensor resistance
If necessary, replace the position sensor
Check the operation of the system after repair

Related codes

C009E C009F P1885