P28E2Shift Motor Phase U-V-W Circuit/Open
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Can trigger limp mode
- How the car detects it
- P28E2 reports that no current can flow in at least one shift motor phase, usually a broken lead, a loose terminal or an open winding. Hyundai documents it in bulletin 22-AT-001H with failure type 14 (P28E214), an open UVW motor circuit, for the push-button shift-by-wire of the 2020-on Palisade and Sonata, the 2021-on Santa Fe and Santa Fe Hybrid and the 2022-on Tucson and Tucson Hybrid. Drivers see a shifter system malfunction message and may be unable to leave Park or start. For the Santa Fe the bulletin asks to remove air cleaner, battery and tray and check whether the actuator harness has rubbed through on the battery tray, then repair it. A Denso patent shows the U-V-W motor driver behind such actuators. CARB requires circuit checks on outputs.
- What you may notice
- Shifter system malfunction message in the cluster
- Cannot shift into or out of gear or out of Park
- Wrong gear display or no start
- Likely causes
- LikelyActuator harness chafed open, on the Santa Fe at the battery tray (Hyundai 22-AT-001H)
- PossibleLoose or damaged pin in the SBW actuator connector
- RareOpen winding inside the SBW actuator
- Repair
- Medium · Usually a job for a workshop.Typical cost: €100 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.