P28E1

Shift Motor Phase U-V-W Circuit High

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Rough gear shifting
Switching delays
Switching to emergency mode of the gearbox
Check Engine Light Illuminates
Possible jerking of the car when driving

Causes

Open or short circuit in the phase motor circuit
Gearbox phase motor malfunction
Problems with connectors or wiring
Transmission control module (TCM) malfunction
Poor contact in electrical connections

How to Fix

Check the integrity of the wiring and connectors in the phase motor circuit
Measure the resistance of the phase motor windings
Check the output signals of the transmission control unit
Replace the faulty phase motor if necessary
If damaged, replace the wiring harness or connectors.

Related codes

P28E0 P28E2 P28DF