2025 Kia Sportage Transmission Problems

Your 2025 Kia Sportage may experience unexpected transmission shifts and jerking while driving at highway speeds, along with warning messages telling you to turn off the engine. At lower speeds (45-50 MPH), your vehicle may suddenly stall and lose throttle response even when you press the accelerator pedal. The problem may resolve temporarily after restarting, but could recur multiple times during a drive. Your dealer may need to perform a full transmission and engine diagnostic to identify and repair the underlying electrical or mechanical fault.

Your 2025 Sportage is having trouble starting the engine and shifts gears roughly while driving — the engine revs up but the transmission doesn't engage properly, and you've noticed the Auto START/STOP light is orange. You're concerned about potential transmission failure, especially after hearing about similar issues from others. The dealer needs to diagnose what's causing the starting difficulty and transmission shifting problem, which may involve checking the electrical system, transmission fluid, and transmission control sensors.

Started vehicle and was driving, ISG (auto start stop) light went amber and transmission refused to shift to allow uphill travel. Had to pull over and turn engine off and on again for the transmission to start working. Have had to dealer, however yet again they cannot replicate in their test drive so they can't do anything about it.

vehicle dash reset and cruise control was set. when dash came back up car surged nearly causing a wreck Reported to dealership and they could not replicate so not sure what to do as they can never replicate the issues and won't do anything to help