2021 Jeep Grand Cherokee Speed Control & Cruise Problems

I was driving north on I64, and a car in front of me suddenly stopped. Cruise control was on, but when i applied the brake, my car did not stopped, and cruise control speed up, before decreasing speed. Instead of turning off, and allowing the car to slow down. I had to swerve, causing to go off on the side of the highway, and held my foot on the brake for almost a mile, along the side of the highway, before the car came to a stop

The contact owns a 2021 Jeep Grand Cherokee. The contact stated that the vehicle was idling abnormally fast. Additionally, the contact stated that upon releasing the brake pedal, while the vehicle was in drive(D), the vehicle accelerated unintendedly. The contact stated while driving 25-35 MPH and depressing the brake pedal to make a turn, the vehicle failed to decelerate as needed, causing the contact to pass the turn and almost caused a crash. The contact pulled over to the side of the road and turned around. There was no warning light illuminated. The vehicle was taken to the Nissan dealer where it was purchased, but the vehicle was not diagnosed or repaired. The Chrysler dealer and manufacturer were not notified of the failure. The failure mileage was approximately 53,354.

When the cruise control is activated and the set(+) button to accelerate the car continues to accelerate after the button is released. The vehicle will accelerate to 100mph or higher. I have to deactivate the cruise control to get it to stop accelerating. The vehicle is available for inspection. +Unsafe to use cruise control for fear of excessive speed. I have taken to dealer, they say it is not covered under warranty. No other inspections have been performed. There are no warning messages or other symptoms indicating a failure. The problem first appeared when I purchased the vehicle in June of 2024.

I was driving on a road when the car suddenly accelerated for no apparent reason. I hit the brake and nothing happened. When the car accelerated, it was like when you hit resume when you have cruise control on. I did not have cruise control on. To avoid hitting a vehicle in front of me, I went off the road to the right, hit a chain link fence and stopped in a field. The car was declared a total loss by the insurance company. Earlier that day, the car was giving me a warning to brake, when I was not near another vehicle. On other occasions before this, the car would tell me to put my hands on the steering wheel when I was gripping the steering wheel.

The contact owns a 2021 Jeep Grand Cherokee. The contact stated while parking the vehicle in a parking lot, it accelerated independently causing the vehicle to jump the curb and crash into a pole. The contact stated he had the brake pedal to the floorboard but failed to stop the vehicle. No air bags deployed. The contact stated no one was injured nor sought medical attention. A police report was filed. The vehicle was not drivable. The contact towed the vehicle to an auto collision center. The contact called the local dealer and made them aware of the failure. The vehicle was not diagnosed or repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 15,000. The VIN was not available. The contact stated that the problem might be with the transmission.

The accelerator throttle be became stuck in open throttle and an error message came on. I pushed the brakes it eventually stopped after like 5 seconds and slowed down when the error message came on and eventually came to a crawl, it was stuck ⅘ of the way, but if I pushed it further it would not go. It was in track mode and I was using the paddle shifters. So I pulled over, stopped, and put it in park and restarted and it was fine. There were no symptoms prior to the issue. This was the first time it happened. It has not been inspected. It is available for inspection upon request. I had two other people in the car and no cars infront of me so I was fortunate, there could have been an accident.