P090A

Clutch B Actuator Control Circuit/Open

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Gear shifting problems
Transmission transition to emergency mode
Check Engine Light Illuminates
Reduced vehicle dynamics
Unusual noises from the clutch area

Causes

Break in the actuator wiring harness
Actuator solenoid valve malfunction
Poor contact in connectors
Transmission control unit malfunction
Short circuit in control circuit

How to Fix

Check the integrity of the wiring harness to the actuator
Check the connections and connectors of the control circuit
Test actuator resistance
Check the operation of the transmission control unit
Replace faulty clutch actuator if necessary

Related codes

P090B P090C P090D