general problems of the 2020 Honda Accord - part 1

9 warnings lights turned on on my dashboard and when going slow and accelerating it brakes by it self also brakes on freeway going 70 mph and then recovers.

Driving on the white horse pike in berlin new jersey at 1:39pm on January 21st and my break light warning light came on. There was nothing in front of me, I was doing 40mph. The roads were dry, there were no cars near me, and no traffic. It happened again on the same day January 21st, on the white horse pike in lindenwold new jersey. This one happened at 520pm, I was doing 45mph and my break warning light came on. The road was dry, there was no traffic on the road, and no cars or debris in the road either.

Was operating the vehicle at about 30mph and the braking system started malfunctioning by giving me limited braking power and throwing a bunch of lights on the dash along with sudden loss of acceleration. Tried to press the pedal again and it didn’t respond I drifted to a stop in the middle a lane in the road. Had to shut vehicle off then restart to regain function. All conditions were clear outside. The dealer I bought it from has been very suspicious since the purchase. Bought as a “certified pre-owned” but have had nothing but problems in the couple weeks of owning. Such as the tpms system continuously going off saying “low tire pressure” the dealer has seen it multiple times and still can’t figure out the problem. They said they’re gonna start “throwing random parts at it” issues just continue to get worse with little to no cooperation with the dealership. Will be inspected in the morning once it’s towed in. No longer feel safe operating vehicle. Warning lamps came on after the malfunction. Then flickered on and off a few times then stayed on when I restarted the vehicle.

The contact owns a 2020 Honda Accord. The contact stated that while driving at an undisclosed speed, the brakes independently activated, and the transmission independently shifted into neutral. The contact stated that there were no other vehicles nearby. The brake warning light illuminated. The dealer was made aware of the failure. The contact was advised to clean off the sensors and see if the failure reoccurred. The contact stated that she did not want to see if the failure would recur. The contact was informed that the repair was not covered under the recall. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 59,660.

While I was driving on the highway, the brakes of my car suddenly were violently activated and I had not touched the brakes. If there had been a car behind me, it would have been a major rear end collision. It was over quickly and I accelerated back to the normal speed. I talked to the Honda service mgr where I purchased the car and he said he was unaware of the problem although I see that that nearly 3 million Hondas have experienced this issue.

Driving on a clear road on a clear day with no car in front of me, the brake warning flashed and then the car braked on its own. There was no reason for the warning or for the car to brake on its own. Automatic breaking isn’t even a feature on this car.

The vehicle keeps braking automatically with nothing in front of me, I see numerous people reporting it so I figured I should aswell, nothing in front or near me when it automatically brakes, it is scary as heck tho!.

I was driving down us route 42 on 10/4/25 at 1:10 am and my car phantom break itself while I was doing 60 miles an hour on the highway.

Good morning, I have new Honda Accord 2020 which always been taken care of regular services and oil changes etc. This morning I tried to start my car going to work but suddenly all brake related warning signs came off. My card still not starting the engine. I researched online and found out many people who have same Honda facing same issues. So I figured it's better to be reported before someone gets really hurts while on road. Please find attached pictured with this incident report please.

On September 2, 2025 at 1004-1005 est, my car phantom braked, when there was nothing in front of me and this time instead of just flashing brake on the dashboard, it actually breaks itself and threw me into the steering wheel thank god my seatbelt caught me, but it really choked me up. This has happened quite a number of times before, but this is the first time that it breaked when I actually stepped on the brake pedal it break itself myself also. The component is the automatic breaking for the collision impact that keeps phantom breaking on me. It has never been looked at by a dealer or anyone otherwise. The lamp that came on was the break lamp where the rpm are at.

There has been multiple times that when I am driving on the highway doing 60 miles an hour, the dashboard will light up to brake the car when there is nothing in front of the car, no other car no trash nothing. It has done this on slower roads where the speed limit is 40 mph and under but it will actually brake the car and I have had cars behind me when this happens. This keeps happening multiply times a week.

Electrical drain in system causing premature battery failure and electrical misfiring that causes the car to shut off and flashing a brake warning message to contact dealer and once this occurs car won’t start until Honda link and hands free pairing are reconnected. Issue is if the misfiring drains the battery, driver is not able to reconnect the cars apps and pair the bluetooth, therefore, car is not will be immobile until battery is recharged.

When driving my car it will phantom break when there is nothing in front of it going down the highway 5060 miles an hour and it’s done at numerous times. I have not been in an accident yet, but it’s something that keeps occurring on my car.

To whom it may concern, I am writing to formally report a serious safety issue involving the automatic emergency braking (aeb) system on my Honda Accord 2020. The system has been engaging randomly and without cause, abruptly applying the brakes when there is no obstacle or hazard present. On multiple occasions, this malfunction has occurred while driving at normal speeds, including on highways and in moderate traffic. These sudden, unprovoked braking events have created extremely dangerous situations, nearly causing rear-end collisions and putting both myself and other drivers at risk. Despite there being no obstruction in front of the vehicle, the system behaves as though an emergency stop is necessary. This issue not only undermines the purpose of the safety feature but also significantly increases the risk of an accident due to unexpected deceleration. I urge Honda to thoroughly investigate this issue, as it appears to be a potentially widespread and dangerous defect. I am requesting that the company: •address and correct the fault in my vehicle’s aeb system at no cost •provide a clear explanation of the root cause •inform me of any recalls or technical service bulletins (tsbs) related to this problem.

I noticed a loud grinding noise and reduced braking power coming from my 2020 Honda Accord while driving at normal city speeds. A local mechanic inspected it and found that the rear brake caliper was sticking and causing premature wear. I contacted Honda service, but they refused to cover the cost or inspect it under goodwill, even though similar issues have been reported with other Honda models. This issue puts my safety at risk as braking is compromised and steering becomes harder. The problem was confirmed by a local certified mechanic and is available for inspection if needed.

Vehicle will randomly slam on brakes to a dead stop, engaging my seatbelt when engine braking behind a vehicle. Usually happens on surface streets when the vehicle in front of me is turning into a driveway/tight right turn. My velocity is decreasing & I am not at risk of colliding with the vehicle every time. System does not seem to register engine braking with a manual transmission as “braking. ” I’ve nearly been rear ended several times due to coming to a dead stop in traffic. I’ve asked Honda how to permanently disable the system, with the only advice to turn it off manually every single time I start the vehicle.

I tried to take my car to the dealer because my car brakes on its own and it had a alert that something was wrong with the air bags . I can ve driving anywhere and without reason the car breaks putting my life in danger and my family. I have tried to contact the dealer about this serious matter but I don't get anywhere. I am reaching out to see what solution we can come to ?.

The contact owns a 2020 Honda Accord. The contact stated that while driving at various speeds, the brakes were independently activated without the driver depressing the brake pedal. The “service brakes” warning light was illuminated. The local dealer was contacted; however, the vehicle was not diagnosed or repaired. In addition, the contact related the failure to Honda recall: tn2; however, the VIN was not included. The manufacturer was made aware of the failure. The failure mileage was approximately 67,000.

The car brake by itself with no obstacles in the way.

Brake system light keeps coming on.

When I was attempting to merge into the turning lane the car slowed down by itself and abruptly stopped in the middle of both lanes while a car was behind me.

The collision avoidance system activated twice for no reason. Inspection is available. I and my passenger were jerked by the rapid stop & could have been rear ended if anyone was behind me. The second event was in an intersection when I and the driver behind me were driving slowly. If the car behind wasn't alert, he or she could have collided with me. No one was travelling in front of me and yet the brake suddenly engaged. The dealership rep. Did not confirm the problem after driving it 5 minutes. There were no warning lamps, messages, or symptoms before the brake engaged in both instances.

I've owned the car for over a year now, bought it for my daughter. 3 times the emergency braking system has gone off while driving for no reason. The last event happened while driving on a hwy at 55 mph with no in front of her. The car slammed on the brakes, and the brake warning light went off, thankfully no one was behind her.

Car emergency braking system activates with nothing in front of me this has happend to me 3 times today it slowed me down to a complete stop on the interstate and took a few seconds to disengage with cars swerving around me to avoid collision this is a major issue.

This car brakes while we are driving while there is nothing in front. Was reported to the dealer, they can not find the issue unless the carb does it, or I can turn off the program, but that is not a safe move.

Vehicle engaged emergency brake by itself. Also in regards to current fuel delivery recall, Honda has yet to fix my recall saying they have not come up with the parts yet. This is my only vehicle that I bough to commute to work of 150 miles a day. The car stalls on the highway becoming more often than not and is hard to start sometimes.

What component or system failed or malfunctioned, and is it available for inspection upon request? the automatic emergency braking system engaged without any vehicle or person in front of my car. I was driving at about 40 mph and the brakes slammed on and then after a few seconds released how was your safety or the safety of others put at risk? if a vehicle was directly behind me, they could have slammed into my car. No car was at the time this happened. Has the problem been reproduced or confirmed by a dealer or independent service center? no, I haven't taken it in yet. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? not yet. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? the brake light came on on the dashboard when it occurred.

Open highway traveling 50+ mph, changing lanes from middle to right. Car's emergency brakes turned on and slowed me down abruptly for about 1 full second. Thankfully no on was behind me and no one was hurt. I have had this car for 6 months and this has happened 2 other times.

The hand/emergency brakes activated without me doing it while driving and had stayed on ever since. I had my mechanic look into it and he mentioned may be due to a defective sensor and advised to have the dealer look into it for recalls. I saw that the NHTSA is actually reporting on a similar issue. The car still has good brakes (pads and rotor) however the issue continues as it will randomly activate the emergency brakes.

The anc module malfunctions already at only 67000 miles and causes a humming noise which is very annoying when driving. The ebreak also malfunctions during cold weather conditions. I have had to restart the car due to the electronic parking break not working properly. In case of an emergency I might need it and it may malfunction.

On 1/10/24 I took my elderly mother to physical therapy and the car began to randomly brake although there were no vehicles in front of me. The braking light flashed and then car brakes on its own. A week later I was driving approximately 55 mph on a major highway and the car started braking again but without the warning light. Again, there were no cars anywhere around me. The next day I went to the Honda dealership in covington, la because I am very concerned this will happen again unexpectedly when there are cars around me and it will result in a bad accident injuring myself or others. I was told he can keep my car all day but he said they probably could not recreate the issue so its just a waste of time. He said nothing he can do about it. That's just how it is and maybe it was from a bug passing the sensor. I know have to remember to turn off the feature every time I drive because I am terrified that it will randomly brake again and it may cause a serious accident.

The contact owns a 2020 Honda Accord. The contact stated that while operating the vehicle, the brakes had erroneously activated, causing the vehicle the suddenly decelerate. During the failure, the "brake" light was flashing. The vehicle was taken to the local dealer who was unable to determine the cause of the failure. The contact was made aware of NHTSA action number: ea24002 (forward collision avoidance). The contact stated that the vehicle had experienced the failure listed in the investigation. Additionally, after starting the vehicle and driving forward or in reverse, there was a squeaking sound coming from the rear of the vehicle. The vehicle was taken to the local dealer who was unable to determine the cause of the failure, and informed the contact that the failure was a common issue, but the manufacturer had not issued a service campaign to address the issue. The failure mileage was 30,000.

Rear brakes wearing before front brakes.

2020 Honda Accord sport 19,000 miles, driving slowly in neighborhood, automatic brake system engaged and slammed the car to a stop without cause. No obstacles no other vehicle. I have an apt for dealership to inspect. I discovered this has been reported by other owners when I researched online.

The contact owns a 2020 Honda Accord. The contact stated that while driving at various speeds on different occasions, the collision mitigation braking system notification appeared and the brake pedal was depressed but the pedal remained floored. The contact stated that the vehicle's speed decreased from 65 mph to 15 mph before abruptly stopping. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 55,000.