P285B

Shift Fork A Actuator Circuit/Open

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Gear shifting problems
Inability to engage certain gears
Jerky gear shifting
Check Engine Light Illuminates
Transmission of the gearbox into emergency mode

Causes

Open or short circuit in the actuator circuit
Shift fork actuator malfunction
Problems with the transmission control unit
Poor contact in connectors
Mechanical damage to wiring

How to Fix

Check the integrity of the wiring to the actuator
Check actuator resistance
Inspect connectors for oxidation or damage
Check power supply and control signals from the control unit
If necessary, replace the shift fork actuator

Related codes

P285A P285C P285D