I was driving the vehicle with my family. We had already used up the charge for the electric engine and the vehicle was operating in the hybrid engine. I had the adaptive cruise control set at 72 mph and I accelerated to 75 mph to change lanes to the right. As I accelerated, several alarms and warnings appeared on the driver's dashboard. They included 'service hybrid system', a red wrench with a red lighting bolt through it and the orange engine and battery icons. After the alarms sounded, a message appeared saying 'shift vehicle to park'. when I tried to press the accelerator, nothing happened and it seemed that the engine had stalled. I was able to coast to the shoulder of the highway, break the vehicle and turn on my flashers. After we stopped, I put the vehicle in park, shut the vehicle off, and restarted it. After restarting the vehicle, the orange engine warning light remained on. My family and I were able to travel back home but took back roads rather than the highway.

- Palatine, IL, USA

While driving on the highway going 70 going home after work the vehicle suddenly lost all ability to accelerate. I still had power, but the dash told me to press the break to start the car. I managed to coast off the bridge I was on thankfully and pulled off the side of the road. The car was stuck in park. I tried turning it off but it would only shut off for 2 seconds and immediately turn back on with the same problem. The vehicle was immobilized in park and would not shut off. The engine light stayed on the whole time. I had to call a tow to get home. The tow truck driver was able turn the car off and the car was drivable again but the engine light remained on. The vehicle is a 2018 with 5609 miles on it and have only owned it for 3 months.

- Plumas Lake, CA, USA

We took our car in for recall U73 on Saturday morning. It took about an hour and had no issues that day or the next day. On Monday morning, the check engine light came on, and the turtle icon appeared. We were on a city street in motion. We needed to "limp" home - no more than 15mph. We brought it to the dealer (safford, springfield, va) and they supposedly fixed it. They said it was an issue with the U73 update, and they cleared some codes and it shouldn't happen again. Tuesday morning, more lights come on in the car, talking about air bags, and this time the car wouldn't move while we were on the road.

- Alexandria, VA, USA

Was driving the vehicle at 70mph on the freeway. A "thunk" sound occurred and the car began decelerating rapidly despite pressing down on the gas pedal. Check engine light turned on and the car continued to decelerate. Cabin filled with a small amount of smoke. Came to a complete stop and the car would no longer accelerate at all. Turned the car off and then on to get it the final 100 feet to a gas station. Parked and the car smelled like smoke/burning in the cabin and the engine compartment. Turned off the vehicle until a tow truck arrived. When tow truck arrived, turned vehicle on to turn off electric parking brake; all electronics in the vehicle were acting up and could not turn off parking brake for a good 15 minutes. Finally got it off and towed to the closest dealer.

- Mill Creek, WA, USA

My brand new 2018 Chrysler Pacifica hybrid which I got on July 4th 2018 shuts off last week on a highway while I was driving from raleigh to charlotte about 70 miles/hr. With lot of difficulty we were able to pull over. I stopped the car and restarted the car, the car behaved normal but with malfunction indicator in my dash. Dealer is saying there was buggy software installed on July 3rd 2018 as a part of some U73 recall. Our family is very scared to sit in the car again. They are saying 2 parts damaged in car due to the buggy software patch applied, PCM codes P0420, P0430 - catalytic converter efficiency failure (both). Chrysler customer care says no issue with software, dealer is saying it's software bug caused the issue. I am confused now whom to believe. They said I will get my car in a month (may be). Very unsatisfying and feel very unsafe in this car now. Kindly do the needful.

- Morrisville, NC, USA

After U73/NHTSA 18V-332 I tested the speed control after turning on the radar, I was able to set the speed and the vehicle performed as expected. When I pressed the set button again to increase the speed if I held the set button for more than a couple of seconds and released it the vehicle rapidly accelerated until the brake was applied. This was the same fault that occurred before the recall fix was applied. So the recall fix did not repair the condition.

- Irvine, CA, USA

While driving on a highway with a speed limit of 70 mph, a warning light came on that the battery was conditioning. I was then limited to 45 mph with very little acceleration, and the A/C stopped working. This was repaired, but happened again three weeks later when about to merge onto another highway with a 55 mph speed limit.

- Sterling, VA, USA