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Kia Ev9 Transmission Problems

6 owner complaints filed with NHTSA across 2 model years.

Complaints by Year

Worst year: 2024. Best year: 2025.

Owner Reports

A representative sample of complaints filed with NHTSA.

Transmission · 2024 2

Vehicle suddenly slowed, with the same force at regenerative braking, to 30mph. Vehicle would not go any faster, changing drive modes, pedal to the floor, anything I tried did not work. Was in the middle of a 55mph road and was sudden...

Transmission · 2024 2

The vehicle unexpectedly accelerates in multiple situations, all related to “iDrive” (one pedal driving), either failing to engage, or unexpectedly disengaging. It almost hit something while parking, and it started accelerating into...

Transmission · 2024 1

[XXX] Message says warning "check ev system". they then sent a letter saying it had to go to the dealer, or the car would need A tow potentially. I can't get an appointment as they are way too busy to do anything other than tell me they...

Transmission · 2025 1

The Kia EV9 Wind I bought several days ago worked fine for a couple of days with a slight vibration, but yesterday I experienced 3 incidents. 1. As I was coming to a full stop at a stop sign, there was a mild grinding noise from the rear...

Transmission · 2024 1

We heard a grinding sound from rear of vehicle while driving into a park lot. Checked road and vehicle to see if there was any damage or objects hit, there were not. Shortly after driving a few miles a BMS warning was showing and we call...

Transmission · 2024 1

Car would not shift out of park into drive reverse or neutral had to be towed to dealership

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