2022 Ford Maverick Hybrid

After performing a panic stop where the Pre-Collision activation message and chime activated, nothing happened until a few miles down the road. At that time, The "Service AdvanceTrac," "Pre-Collision Assist Not Available" and "Hill Start Assist" warning messages scrolled on the cluster with a chime to go with them. Additionally, the amber tell tale warning lights for the ABS system, electric park brake system, stability control system and pre-collision assist were illuminated. The lights turned themselves off one by one approximately five 5-6 miles after that, then all came back on with the same three warning messages about 2-3 miles after they had gone off. All remained illuminated even at the start of the next key cycle but promptly went away before leaving the parking lot. It should be noted that while the warning lights were on, the vehicle did not have electronic power steering assist though no warnings or lights told of this failure. I could just tell from the increased effort in low speed, parking lot maneuvers.

vehicle suddenly lost power while travelling at freeway speeds, and decelerated to 35 mph with no speed control. All electrical systems showed warning lights, and I was suddenly driving 30 mph under traffic speeds at a freeway interchange with no escape lanes or emergency lanes for half a mile. I am a paramedic with extensive EVOC training, and I can say with my extensive experience that this was a near-fatal situation, only avoided by the attentive drivers around me, and I almost created chain collisions attempting to maneuver to the side until there was a breakdown lane accessible. Vehicle had all electrical systems in warning, and vehicle automatically set the parking break before I put it in park. I attempted to restart the vehicle several times with no success. The vehicle entered a battery mode which did not allow use of the accelerator pedal, and automatically drove the care at 30-35 mph with only breaking control to control speed. I was able to limp the vehicle off the freeway in the breakdown lane, and move it to a safe location. This event was an extreme hazard to myself and all around me, and I compliment the semi driver behind me on his quick response to the sudden deceleration of my vehicle. Note I own 2 of these vehicles, a 2022 and a 2023, and both have experienced this issue.

The component in question is the powertrain control module for my Maverick. After having the relevant powertrain recall reprogramming done (23E09), I was driving down the highway when I received a rapid series of warnings from my car including "Pre-Collision Assist Not Available", "Service Engine Soon", and "Service AdvanceTrac" [sic]. I lost all engine power at that point, and was steadily decelerating with no response from the accelerator. There was no advance warning or messages. There was an imminent threat to my safety at that time. The loss of all power rendered the car unsafe to continue driving on the highway, and prevented me from leaving the highway in a safe manner. I was able to pull off the highway at a fortunately nearby exit ramp, however, I was unable to accelerate and was only able to coast to the nearest safe parking space. I subsequently turned my car off and on again, I found that when in drive the car would accelerate by itself to no more than 35 miles per hour, and was unresponsive to the accelerator pedal-it would only slow down if the brake was applied. Upon arriving at my original departure point, I then turned my car off and attempted a BMS reset unsuccessfully. The next day (<12 Hours since the initial failure), my car was functioning properly again but was soon seen by a dealership for service. I was informed by the service representative that this is a repeated issue brought to their attention for this make & model, with a consistent trend of these issues occurring after the powertrain control module was reprogrammed as part of an update. The powertrain module was again reprogrammed/flashed, and the issue has not repeated since the initial failure, though it is available for inspection.

I was driving in town going about 20 MPH when I approached and intersection and stepped on the brakes. The brakes locked up, multiple warning lights, messages, audible alarms went off. I though the truck died and I put it in park and turned off the key. Then I turned the key back on, all the lights and warnings came back on, but it also said ready to drive. I was not able to accelerate using the gas pedal, truck was moving slowly on its own, it gained some speed but only ran on the electric motor. No gas engine. I got 3 blocks to my destination very slowly and shut the truck off. I had to go inside to do some work and when I came back about an hour later I turned the truck on and all the alerts were gone except the check engine light. It did run normal then. After calling the dealership they said to bring it in so they could look at it. I left it there and they called later saying they had pulled multiple error codes, did not tell me what they were, they cleared all the codes and drove it and said it did not act up for them and said I could come pick it up. I do not want to drive it because I feel like this could happen again at any time and if I were driving at a higher speed or on a interstate and this happened who knows who could have been hurt. This Maverick is my daily driver for work ect. but I will not drive it unless I absolutely have to right now. I got no answers from the dealership. Before this, no warning lights had been on.

When coming to a stop on a 25 mph road, saw a cascade of warnings come up, including: Hill start assist not available, precollision assist not available, service AdvanceTrac, service vehicle soon, check engine light, service light, traction control light. Once stopped the car turned the parking brake on and requested that I put it into park. After putting the car into park and turning off the parking brake the car began to accerate on it's own, unresponsive to how hard I pressed the accelerator (limp mode?). I was able to get the car back home on residential roads.

While traveling on the highway at approximately 75mph the instrument cluster began to flash warnings, (Selected gear will be changed to when speed slows down, precollision assist not available, service engine soon) the accelerator pedal was unresponsive, and the vehicle began to slow. I parked the vehicle, shut the engine off, and restarted. upon restarting the vehicle would only move at approximately 10mph, the accelerator pedal was still unresponsive. I then parked the vehicle and called for a tow truck to take the vehicle to the dealership.