2025 Hyundai IONIQ 5 power train problems

55 owner complaints filed with NHTSA name the power train on the 2025 Hyundai IONIQ 5 — 20% of all complaints for this model year.

Power Train complaints

20%

share of all complaints

—

median reported incident mileage

1 / 0

crash / fire reports

What owners report

“I was slowing down, actively pressing the brake pedal to bring the vehicle to a full stop. As the car decelerated to what my senses and perception registered as a full stop, I pressed the “P” (Park) button while keeping my foot on the brake pedal. I felt the physical click of the “P” button under…”
filed Jul 11, 2026
“During a family road trip, my 2025 Hyundai Ioniq 5 (~9,000 miles, less than one year old) suddenly showed red "Check Electric Vehicle System" and 12V battery warning lights and then completely lost power. The 12V system failed entirely - the vehicle could not be driven or shifted, and the doors and…”
filed Jul 9, 2026

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

Certain IONIQ 5 (NEA EV) and IONIQ 9 (ME1A EV) vehicles (affected VINs listed below) may exhibit a high-frequency noise from the front motor area during low-speed deceleration. This bulletin provides instructions to…
26-01-029H TSB · Warranty Program/Extension · issued Mar 17, 2026