C0098

4WD/AWD Rear Differential Unit Actuator B Data

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–444 (est.)

Symptoms

Check engine light or 4WD/AWD light comes on
Poor handling on slippery surfaces
The vehicle enters rear-wheel drive (RWD) mode.
Unusual noises from the rear of the car

Causes

Open or short circuit in the actuator wiring harness
Rear differential actuator B itself is faulty
Problems with the differential control unit
Poor contact in connectors
Corrosion or damage to system components

How to Fix

Diagnose the system using an OBD-II scanner
Check the integrity of the wiring harness to the actuator
Check connections and connectors for corrosion or damage
Test the resistance and performance of the actuator
If necessary, replace the faulty component
Clear error codes and check if error is returned

Related codes

C0097 C0099 C00A0