P0900

Clutch A Actuator Control Circuit/Open

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–89 (est.)

Symptoms

Gear shifting problems
The car does not move
Check Engine Light Is On
The gearbox goes into emergency mode
Jerks when shifting gears

Causes

Break in the wiring harness to the clutch drive
Clutch solenoid valve malfunction
Problems with the transmission control unit
Short circuit in control circuit
Poor contact in connectors

How to Fix

Check the integrity of the wiring harness to the clutch drive
Check the resistance of the solenoid valve
Inspect connectors for oxidation or damage
Check power and ground in the control circuit
Scan the transmission control unit for errors

Related codes

P0901 P0902 P0903