2023 Hyundai Santa FE power train problems

41 owner complaints filed with NHTSA name the power train on the 2023 Hyundai Santa FE — 20% of all complaints for this model year.

Power Train complaints

20%

share of all complaints

—

median reported incident mileage

3 / 0

crash / fire reports

What owners report

“COMPONENT/SYSTEM: The powertrain launch control system — the Transmission Control Unit (TCU) and 8-speed wet dual-clutch transmission paired with the 2.5T engine — fails to deliver engine power in response to full accelerator input from a stop. The engine does not rev and the vehicle does not move…”
filed Jul 12, 2026
“Vehicle stalled while driving — unsafe loss of power. While driving at normal speed, the vehicle suddenly shut off without warning and the electrical system malfunctioned. I had to pull over and restart car. This created a dangerous situation and could have caused a collision. Prior to this…”
filed Jun 26, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

This bulletin provides information related to a Transmission Control Unit (TCU) software update for some vehicles equipped with an 8-speed wet dual clutch transmission (8WDCT). The software update revises the touch…
26-AT-005H TSB · Service Bulletin/Repair Instructions · issued Jun 5, 2026
Some Santa Cruz (NXT), Santa Fe (TMA, MX5A), and Sonata (DN8A) models may require replacement of the 8-speed wet dual clutch transmission (8WDCT) when the vehicle sets one of the high pressure electric oil pump (HP EOP)…
26-AT-001H TSB · Service Bulletin/Repair Instructions · issued Mar 3, 2026
Some Santa Fe (TMA) and Tucson (NX4A) vehicles equipped with a 2.5L GDI engine and 8 speed automatic transmission may have DTC U028700 (Lost Communication With Trans Fluid Pump Module) set by the transmission Electric…
26-AT-002H · Service Bulletin/Repair Instructions · issued Feb 21, 2026