On 10/3 driving at roughly 60mph on the freeway, when going to accelerate, the vehicle would not accelerate with no power going to the engine. The gas motor was not engaging, and the car rapidly decelerated to around 20mph in an incredibly unsafe situation. Coasting it off the freeway, it was towed to the local Kia dealership. No warning lights or any indicators went off during that event. 10/9/2025, I picked up the vehicle after they replaced the high-pressure fuel pump and high-pressure fuel line, I noticed the battery was very low and thought it would charge while driving. As I left the dealership, the vehicle did not engage the gas engine and quickly avoided acceleration - no power was going to the engine. The battery reached a catastrophic low, and the engine failed in a busy intersection - creating another extremely unsafe situation - as I was turning around to return to the dealership. This time the hybrid system warning system went off and the battery and oil lights went on. While waiting for the tow truck, the vehicle would not turn off. It is currently with the dealership, 41k miles on vehicle, 1 year old.
2025 Kia Sorento transmission complaints
Page 2 of 2: complaints 11 to 19 of 19, newest first, as owners wrote them.
On July 5th 2025 round 5:15 pm EST, while driving in the center lane of the highway at approximately 73 mph, the check engine light and multiple amber warning lights suddenly turned on. This occurred at just 1,920 miles on a brand-new vehicle. At the time of the incident, the vehicle stopped responding to the accelerator and would not move forward. Fortunately, traffic was light, and I was able to steer safely to the shoulder. However, I was traveling with my family, and under heavier traffic conditions or with vehicles closely following, this sudden loss of power could easily have resulted in a serious multi-vehicle accident. Following the above incident, I brought my vehicle to the Kia dealership for a diagnostic check. However, they did not take any corrective action, stating that the check engine light was not currently illuminated—even though I provided photo evidence and the fault code P069811 captured from the Kia app. This raises serious concerns, as I cannot predict when the issue might occur again. According to multiple reports on Kia forums and blogs, many owners of new vehicles have experienced the same problem, yet Kia has not addressed it. This is a serious, life-threatening safety issue while driving, and this trim should be publicly acknowledged as having low reliability and safety concerns until a resolution is found.
The contact owns a 2025 Kia Sorento. Upon starting the vehicle and shifting into reverse(R); the vehicle failed to respond with the message "Service In" displayed on the instrument panel. The contact repeatedly depressed the accelerator pedal, but the vehicle failed to respond. The contact placed the gear shifter back into park(P) and then shifted back into reverse(R) and the vehicle started to accelerate slightly before coming to a complete stop with the accelerator pedal depressed. After repeatedly depressing the accelerator pedal, the vehicle jolted backwards. The contact decided to park(P) the vehicle and scheduled an appointment with the dealer for service. The manufacturer was not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was 4,850.
Transmission caught between gears at speeds below 25mph. Engine revs without acceleration: Drivers report pressing the accelerator, and the engine's RPMs increase, but the vehicle does not speed up as expected. Driver returned the vehicle to Dealership and reported the incident. Dealership reported, malfunction could not be replicated. No indicator or warning lights present. The same incident occurred the following day for second time. Both incidents occurred around [XXX].on [XXX] at low operating speeds. Sudden loss of power places you and those around you in harm's Way when traveling at/below posted speed limits. Other Drivers around you don't know that your car is unable to move. This is a safety hazard. Clearly the transmission is failing in malfunctioning. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
the federal safety agency Complaint – Kia Sorento Vehicle: 2025 Kia Sorento Component/System: Engine, Fuel/Propulsion System, Power Train Date of Incident: [XXX] Location: [XXX] , southbound Description of the Problem: While driving my 2025 Kia Sorento southbound on [XXX] , the accelerator did not respond properly both on a flat road and while going uphill. The engine failed to provide adequate power, creating a serious safety risk on the highway. The vehicle is currently at the dealer for inspection, which will take place on Monday. However, I am extremely frustrated that I have not been provided a loaner or rental vehicle, even though I need transportation immediately. Additionally, as a U.S. citizen, I feel I am being treated unfairly and receiving discriminatory service compared to others in similar situations. No warning lights or messages appeared before the incident. The dealer has not confirmed or fixed the issue yet. The vehicle has not been inspected by the manufacturer, police, or insurance representatives. I am reporting this issue to document the safety risk, service denial, and potential discrimination, and to seek proper investigation. Inspection Availability: UNKNOWN – vehicle can be inspected upon request. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
On [XXX], while driving home at highway speeds, I attempted to accelerate and the vehicle bucked and sputtered violently. The check engine light came on, and my OBD scanner showed multiple misfires in Cylinder 1. I have also experienced suspected transmission slipping from a full stop and during highway driving—RPMs will spike (up to ~5,500) with little or no increase in speed, sometimes after releasing the accelerator. These issues have occurred multiple times prior to [XXX]. On [XXX], while traveling 80–85 mph, I released the accelerator and the RPMs again spiked to ~5,500 while the vehicle rapidly lost speed and barely moved. Starting mileage at first occurrence is unknown, but Kia should have this documented from a prior service visit. The condition is ongoing and worsening, creating a serious safety risk by causing loss of acceleration and unpredictable power surges while in traffic. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Have had an issue of losing power while on an interstate traveling back from work twice now. After the second time I reported to my local dealership. While driving home, my vehicle lost power and was extremely slow and unresponsive. Check engine light came on but when checked under the diagnostics of the entertainment system, showed no issues present. Light turn off but still was having issues with responsiveness. When arriving home connected my personal ODB scanner tool to the vehicle and showed 1 code P0301Cylinder 1 Misfire. Had take. Pics of the code and of my OBD tool and cleared the code. Car started functioning correctly again. But still took to dealership for analysis. Dealership could not find any issues or codes, probably cause I cleared the code which allowed the vehicle to run normally again.
While traveling to VA from TX, [XXX] and on [XXX] the vehicle hesitated to accelerate multiple times. Some were from a complete stop, and other times it occurred when accelerating to merge on the highway. On [XXX], I pulled out of a driveway onto a very busy road and upon increasing pressure on the gas, the vehicle shook (similar to the behavior of a manual when letting up off the clutch and not applying even pressure to the gas. Due to the vehicle's hesitation, I as almost hit by a large truck traveling on my exact path. This was the sole instance that warranted a call to Kia Corporate, as I feel the issue is a significant safety concern. I placed the vehicle in service 11-12 JUN and the attached receipt highlights that the dealer was unable to replicate the issue. As of 16 JUN, the vehicle is still exhibiting the same issue intermittently, along with the break pedal popping when ascending or descending on a hill/ramp. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The contact owns a 2025 Kia Sorento. The contact stated that while her husband was driving 50 MPH, the vehicle hesitated while depressing the accelerator pedal. There was no warning light illuminated. Due to the failure, the contact's husband coasted the vehicle off to the shoulder of the highway. The vehicle was restarted; however, the failure persisted. The contact called the dealer and made an appointment to have the vehicle serviced. The contact drove the vehicle without failure. The dealer performed a diagnostic test, but no fault was found with vehicle. The contact was instructed to pick up the vehicle. The manufacturer was notified of the failure and a case was filed. The vehicle was not repaired and remained with the dealer. The failure mileage was 213.
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