Owner-reported complaints naming the fuel system system, filed with NHTSA
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Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks. Every record below is an owner-reported complaint about the 2023 Chevrolet Bolt Euv submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 11 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Shown in the owner’s own words, exactly as filed
I was driving in my neighborhood a few miles from home on a state road going about 45/50 mph. The car suddenly slowed to 30 mph without warning, an alert said there was a problem with the propulsion system and speed was limited to 30mph. There was no prior warning or indication of a problem. The sudden deceleration almost caused the car behind me to hit me.
While car was on a warning popped up saying "Service Transmission" and then another warning popped up saying "Propulsion Power is Reduced". This then limited the speed of the car and the acceleration significantly making it extremely unsafe to drive. Thankfully I was not on the interstate, but I certainly would have been hit if I was. This car is less than 2 years old, has under 10,000 miles, and his had all recommended maintenance done.
Software in the EV system created to protect the battery pack has instead placed my life in jeopardy in response to known false sensor event. During 110 degree heat in isolated desert in southern California, the software detected a false error in high voltage comparisons between battery banks. In response, it disabled climate control, reduced propulsion, and placed an upper limit of 40% on battery recharge system. Without any warning nor noticeable malfunction during the drive out to the desert truck stop, 1 hour of fast charging at 50 kWH resulted in the charger being turned off by the car after reaching only 40%. With no info, I just assumed that this was a failure of the charger; however, I had used this specific charger 1 month prior without any problems. Only after I left this truck stop and headed to the next electric charger, some 50 miles away, did I notice the lack of A/C and warnings on the dash. At this time I called Chevrolet Roadside Service(CRS) and received advice to proceed to the charger then if charging attempt fails, call them back. I drove in 118 degree with open windows behind the slowest moving semi I could find. Within minutes my connected phone for map guidance, started overheating from both the environment and the car charging my phone. I realized I could die out here without car nor phone. Upon arrival, my attempts produced only 4 kWH charging speed at a 50 kWH station. After many false guidances and about 6 calls to CRS and 1 day, I was able to get my car towed to nearby Chevrolet dealer who was too busy to look at the car for 2-3 days. Next day I picked up my car and drove in 102 degree heat to where I purchased this car 2 years ago. 2 days later I picked it up; a known problem solved by a software download fixed it.
While slowing down to park, just before stopping, my husband took his foot off the pedal and the car accelerated. This happened twice in the past week. He had the “break assist” feature engaged, which automatically breaks the car when you remove your foot from the accelerator. The car should have slowed then stopped but it accelerated. He did not touch the accelerator. I have not yet contacted the dealer, but see numerous complaints like this in chat forums online. No warning lights came on either.
The battery charging system is malfunctioning and won't charge the battery correctly. Hazards from a battery and charging system that is not functioning. Possible battery explosion during charging. Possible fire to car & garage / home. Yes Yes Yes
One pedal speed control was used to slow down and stop the car approaching a busy intersection. The car came to a complete stop and was idle at the intersection. While stopped at the red light, the car suddenly accelerated into oncoming traffic and was directly heading towards a head-on collision. The driver turned the car to the left, avoiding injury, however, a party in the other vehicle was injured. The Chevy Bolt received extensive damage and was totaled. The police filed a report and the insurance company inspected the vehicle and has taken possession of the vehicle.
While merging onto a highway with a 60 mph speed limit, we got an error message that there was a propulsion system error and our speed was limited to 30 mph. Our car slowed down and could not accelerate. There was no warning before the speed was limited and no way to change course. It was Saturday night Nov. 25th and we had our one and half year old daughter in the backseat. Thank god my husband was able to react quickly and that there was shoulder for us to pull over on. Honestly we could have been killed or seriously injured. It’s a huge safety issue that the car will suddenly, without any warning, prevent you from going above a certain speed. The purpose is to protect the car, as I understand it, but there should at the very least be a countdown. I’m incredibly grateful I can report this to and that there wasn’t a tragic accident, but if this how this feature operates, it only a matter of time before there is one. Also there is less than 1000 miles on our car.
What component or system failed or malfunctioned, and is it available for inspection upon request? The Transmission Fluid Pump failed, and is needing to be replaced. The car only had 200 miles on it and was bought 5 days prior before the issue began. How was your safety or the safety of others put at risk? The car immediatley reduced my speed to 30mph. I was driving on an expressway, and caused me to slow traffic. Has the problem been reproduced or confirmed by a dealer or independent service center? Yea, I have the error code given to me by OnStar: P2797 Auxilliary Transmission Fluid Pump error Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? The vehicle has been brought into a Chevrolet service center and awaiting for a replacement part from GM. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? The check engine light came on and then the car immediately slowed my speed.
I drove the vehicle roughly 5 miles on city streets then parked and walked away for roughly 15 minutes. I came back, got in the car, powered it on and attempted to shift but was presented an error message stating “Conditions not correct for shift”. The car seemed to be ‘running’, but the AC did not turn on despite the settings displaying that it was operating. Thankfully I was able to shut down the car after a few minutes and, after waiting a few minutes further, power it back up. This is the first time this has happened to me. Additional details: Mileage: <900 Age: ~2 months At first I thought this could be due to my own behavior. I live in the Southwest (desert). This is possibly the first time I haven’t remotely started the car and let it precondition, but that seems slightly irrelevant given that this happened at night (not baking in the sun) and, before the 10 minutes of rest, the vehicle should have theoretically been ‘conditioning’ during the previous drive.
Frightening SAFETY Problem: Sudden Power loss on Los Angeles freeway. About 6/21/2023 began repeated episodes where my Chevy 2023 Bolt EUV hesitated for a few seconds before responding when I pushed on the accelerator pedal. Full power and acceleration resumed right after the initial hesitation and were sustained until I had to stop the car. A dashboard warning light appeared. I called for an On-Demand Diagnostic evaluation, spoke by phone with Chevrolet support who assisted with the evaluation and emailed me the results (screenshot) indicating an issue with the HCP - Hybrid Control Processor Module and a Diagnostic Code P2797. The Diagnostic Information read: "The Electric Drive Unit is not performing as expected. An issue has been detected in the Auxiliary Transmission Pump System..." The “Recommended Action” was to “Service within 7 days.” (Screenshot) I contacted the dealership where I purchased the car and was told that I would have to leave it for several days before evaluation/servicing could be done. However the next morning (before I could take the car to the dealership) the instrument panel alert had disappeared. So I considered it all a temporary "glitch". Then on 8/27, driving about 60MPH on very busy 405 Freeway in Los Angeles, the car suddenly lost most of its power and slowed down…with an orange dashboard warning icon “Propulsion Power is Reduced” and another message that speed limited to 30 MPH. Alarmed and fearful, I turned on emergency blinker lights, moved to right lane and exited freeway at next off-ramp. The problem persisted as I slowly drove surface streets to destination and parked. Several hours later I started car; alert message came on but car accelerated normally. I slowly drove home on surface streets. On 8/29 another Chevy dealership identified "Scanning Code P2797" and "Replaced Transmission Fluid Pump” by warranty coverage. No problem since. Service manager said she has seen 3 similar problems. I see similar reports online.
I just bought this vehicle this Sunday. I drove about 400 miles and Wednesday, I got warning ⚠️ electric drive unit ⚠️. Yesterday I took my car to dealership and got call from them that auxiliary transmission issue and they will replace it. Car is still at the dealership, now we are afraid to drive that car and what if it jeopardizes our safety. We drive a lot for work as a home health provider.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Categories with enough reports to have a page of their own
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