OBD-II code · Powertrain (generic, extended)
P28E2 Shift Motor Phase U-V-W Circuit/Open
The output stage for the shift motor cannot drive current through at least one of the U/V/W phases. Open wire or open winding.
Is it safe to drive with P28E2?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen phase wire
- PossibleOpen motor winding
- Less likelyPin pushed back out of connector body
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Shift Motor, Shift Motor Position Sensor, Tcm
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.