C05E8

4WD/AWD Clutch B Actuator Control Circuit Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable operation of the all-wheel drive system
Check engine light comes on
Reduced all-wheel drive efficiency
Clicking or other unusual noises from the transmission area

Causes

Open or short circuit in the actuator wiring harness
Malfunction of the actuator solenoid valve (solenoid)
Problems with the transmission control unit
Mechanical failure of clutch actuator B
Corrosion or poor contact in connectors

How to Fix

Check wiring harness and connectors for damage and corrosion.
Check resistance and voltage at clutch actuator B
Replace faulty actuator or solenoid
Scan the control unit for additional errors
If necessary, replace the transmission control unit

Related codes

C05E7 C05E9 C05EA