P28E1
Shift Motor Phase U-V-W Circuit High
P28E1 is an OBD-II diagnostic trouble code meaning: Shift Motor Phase U-V-W Circuit High. Common causes: open or short circuit in the phase motor circuit, gearbox phase motor malfunction. Estimated repair cost: $56–278.
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
Error P28E1 by Vehicle Brand
FAQ
What does the P28E1 code mean?
P28E1 is an OBD-II diagnostic trouble code that indicates: Shift Motor Phase U-V-W Circuit High
What causes a P28E1 error code?
The most common causes of P28E1 include: Open or short circuit in the phase motor circuit; Gearbox phase motor malfunction; Problems with connectors or wiring; Transmission control module (TCM) malfunction.
How do I fix a P28E1 diagnostic trouble code?
To fix P28E1: 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. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28E1?
Yes, but get it checked soon
How much does it cost to fix P28E1?
The estimated repair cost for P28E1 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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