2018 Honda Accord Problems

The contact owns a 2018 Honda Accord. The contact stated that on several occasions while driving, the vehicle lost automotive power with several unknown warning lights illuminated. The vehicle was taken to an independent mechanic where it was diagnosed, and the contact was informed that the head gasket was allowing coolant to leak into the cylinders which caused the vehicle to lose automotive power. The contact was informed that the head gasket needed to be replaced. The manufacturer was not notified of the failure. The failure mileage was 150,000.

My car keeps losing power suddenly! Sometimes it has even started to stall while driving. Also the electrical menu has tons of errors and isn't working. There are several recalls on Honda Accords for the fuel pump and the vehicle assistance module but my vin doesn't show up.

I am reporting a recurring safety and mechanical issue with my 2018 Honda Accord 1.5T, which currently has approximately 128,900 miles. My vehicle has been experiencing shaking/rough operation and multiple warning lights while driving. Diagnostic scans have shown P0301 – Cylinder 1 Misfire and U0401-68. The ignition coils were replaced with original/OEM parts in an attempt to correct the issue. After the repair, the warning lights went away temporarily, but within several days the same warning lights and symptoms returned, and the vehicle again showed the P0301 cylinder 1 misfire code. I am concerned because the vehicle continues to shake and operate abnormally despite the repair. I have learned that Honda has addressed cylinder-head-gasket concerns involving certain 1.5L turbocharged Accord vehicles, which may cause engine misfires. However, I have not had my vehicle diagnosed with a defective head gasket, so I am not claiming that this is definitely the cause of my vehicle's problem. When I checked my VIN through NHTSA, it showed 0 unrepaired recalls. I am submitting this complaint so that NHTSA has a record of the recurring problem and can determine whether my vehicle's condition may be related to a broader safety defect affecting 2018 Honda Accord 1.5T vehicles. I am concerned about the possibility of the continued misfire causing loss of engine performance, loss of power, stalling, or otherwise making the vehicle unsafe to operate if the underlying problem worsens. I have photographs of the diagnostic scans documenting the codes and records showing the previous repair.

Since I purchased this car in 2022, the collision mitigation braking system has randomly engaged for no reason. This has happened multiple times over the years, day and night, when no other vehicle, road obstructions, or other factors warrant the system triggering.

My car keeps losing power suddenly! Sometimes it has even started to stall while driving. Also the electrical menu has tons of errors and isn't working. There are several recalls on Honda Accords for the fuel pump and the vehicle assistance module but my vin doesn't show up.

1>Engine failure: Around the time vehicle reached 148,000 miles on it, it blew a head gasket on cylinder 2. Coolant was in the cylinders. The vehicle would not accelerate and was misfiring. 2> Safety was affected as this occured on interstate 40 and caused the vehicle to slow to an unsafe speed. 3>Problem was confirmed by Morganton Honda- Morganton NC. 4> Check engine light.

The contact owns a 2018 Honda Accord. The contact stated that while starting the vehicle, several unknown warning lights unexpectedly illuminated on the instrument panel. The failure mileage was approximately 116,242.

My car keeps losing power suddenly! Sometimes it has even started to stall while driving. Also the electrical menu has tons of errors and isn't working. There are several recalls on Honda Accords for the fuel pump and the vehicle assistance module but my vin doesn't show up.

On August 29th 2026 at 1:28PM (13:28) 148,320 mi. on odometer During interstate driving and topping the Sunshine Skyway Bridge on Interstate 275 Northbound (27.617863, -82.653639) the vehicle detected both road departure and engaged the emergency automated braking due to the shadow generated by the superstructure of the Skyway Bridge falling on the road surface. The vehicle attempted to correct the "road departure" by steering the vehicle away from the perceived problem and violently engaged the brakes nearly causing a collision as it has done numerous times before. In this particular event, it was an extraordinarily dangerous situation given the location that it occurred (190ft in the air on a walled in 2 lane interstate highway). I have reported this to NHTSA and American Honda on multiple previous occasions and await a repair or even an acknowledgement of this extremely dangerous issue. Honda has opened a case on this but have had 12+ months and no response has been issued.

The car dashboard Is lit up and loose power out of nowhere when driving .

this is a known issue with honda. the head gasket is blown causing all the warning lights to come up on the dash. my car has not got hot, it goes up to the H but goes right back down to normal setting. i have had my local honda dealer look at my vehicle and that is what they told me was the issue. since my car has a rebuilt title, honda won't cover the cost for the repair. i bought the car last year from an out of state small dealer with a rebuilt title. honda is being sued for this issue, because they know about it and still were making the vehicles. this is no fault of my own and honda should honor the recall and repair my car at no cost to me. as i am now unable to drive the car and i can't afford to have it repaired. i contacted honda of america and filed a claim and also a good-will request, but because of the rebuilt title, i was not eligible for help. every single honda made during these specific years 2018-2021 are having the same issues. not one car should be discriminated against because of a rebuilt title. the re-build has zero impact on the head gasket and the cylinders being too close together, and the turbo causing the head to blow. my car is right at 128,000 miles, and it’s known for the issue to start occurring around 120,000 miles. then come to also find out there’s an ongoing issue with gas leaking into the oil. they denied my request on that too. any help would be greatly appreciated! thank you for your time and consideration! -RF-

There is a hole in the engine block and it happed while I was driving, people could’ve been hurt on the road because of this mechanical failure. Vehicle has only been inspected by a private mechanic who found the problem. There was no warning of this besides a add air to tire warning.

The contact owns a 2018 Honda Accord. The contact stated that while operating the vehicle, the message "SRS Fault" was displayed. The vehicle was taken to the local mechanic to be diagnosed, and it was determined that the passenger’s seat occupant detection sensor had failed and needed to be replaced. Additionally, the mechanic retrieved a seat belt fault code. No further information was available. The vehicle was not yet repaired. The local dealer was notified of the failures and informed the contact that the VIN was not included in NHTSA Campaign Number: 26V332000 (AIR BAGS) nor 23V158000 (SEAT BELT). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 72,000.

Side airbag not working properly ("SRS problem" intermittently showing up on dashboard): DTC checked and found B0020-13: Open or increased resistance in the left side airbag inflator. No accident on this side of the vehicle has occurred to my knowledge. A few months ago back in March my car was impacted on the right rear tire/quarter panel (repaired at caliber collision). That's the only known accident. The SRS notification first appeared 2 weeks ago and then it turned off. It appeared again yesterday 9/14/2026.

On August 29th 2026 at 1:28PM (13:28) 148,320 mi. on odometer During interstate driving and topping the Sunshine Skyway Bridge on Interstate 275 Northbound (27.617863, -82.653639) the vehicle detected both road departure and engaged the emergency automated braking due to the shadow generated by the superstructure of the Skyway Bridge falling on the road surface. The vehicle attempted to correct the "road departure" by steering the vehicle away from the perceived problem and violently engaged the brakes nearly causing a collision as it has done numerous times before. In this particular event, it was an extraordinarily dangerous situation given the location that it occurred (190ft in the air on a walled in 2 lane interstate highway). I have reported this to NHTSA and American Honda on multiple previous occasions and await a repair or even an acknowledgement of this extremely dangerous issue. Honda has opened a case on this but have had 12+ months and no response has been issued.

driving on highway 65mph steering wheel sticks and jerks the car side to side very scary almost ran into car next to me at that speed. I called the dealer to report it. I am waiting to bring vehicle in to diagnose. they stated that it is a known issue and that it is more than likely the electronic steering box rack and pinion.

The door handle is coming off where the key part is and handle part it.

See attached document for complaint.

The contact owns a 2018 Honda Accord. The contact stated that while driving at an undisclosed speed, the AC evaporator became inoperable and was blowing hot air. The contact stated that the failure had been occurring since the vehicle was purchased in 2018. The contact stated that the evaporator was leaking. The dealer confirmed the failure. The manufacturer was notified of the failure. The vehicle was not repaired.

I owned a 2018 Honda Accord,i got it new from the dealership so im the only owner of this vehicle. my headlights keep building condensations prematurely causing them to fail . I have already replaced multple headlights because of this . also when the bulbs go out honda made it where the bulbs can not be replaced at all. these headlights cost close to $1000 each plus 500 in labor to installed. theres should be a recall for this as its costing me soo much money . I hoping we must hold accountability to its highest level so consumer dont have suffer like this. Thank you so much for reading!

The contact owns a 2018 Honda Accord. The contact stated that while operating the vehicle, the message "SRS Fault" was displayed. The vehicle was taken to the local mechanic to be diagnosed, and it was determined that the passenger’s seat occupant detection sensor had failed and needed to be replaced. Additionally, the mechanic retrieved a seat belt fault code. No further information was available. The vehicle was not yet repaired. The local dealer was notified of the failures and informed the contact that the VIN was not included in NHTSA Campaign Number: 26V332000 (AIR BAGS) nor 23V158000 (SEAT BELT). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 72,000.

The car was sold to me in 2021 with no airbags and no working seatbelt in the back passenger seat. The car was bought at AX Auto in Atlanta Ga. I have been in touch with them and they keep ignorning me and will not fix this issue.

Formal Complaint Regarding Repeated Warning Lights and $2,600 Turbocharger Repair Recommendation – 2018 Honda Accord Dear Honda Customer Service / Dealership Management, I am writing to formally express my concern and frustration regarding ongoing issues with my 2018 Honda Accord and the diagnosis and repair recommendation I have received from the dealership. My vehicle has been experiencing an intermittent problem where multiple warning lights and/or error indicators on the dashboard come on at the same time. The problem does not remain consistently active. The warning lights may stay on for several days, then disappear, and later return again. This has happened multiple times. Because the issue is intermittent, I have attempted to have the vehicle properly diagnosed rather than simply replacing parts based on a temporary warning or error code. I have also had a diagnostic scanner connected to the vehicle. At various times, the scanner has not shown an active problem or has not provided a clear explanation that would justify replacing a major and expensive component. Despite the intermittent nature of the problem, I have now been advised that I may need to spend approximately $2,600 to replace the turbocharger due to an underboost condition. I have serious concerns about this recommendation. First, I want to understand exactly how the dealership determined that the turbocharger itself has failed and that replacing the turbocharger will actually resolve the underlying problem. An “underboost” condition or related diagnostic code does not necessarily, by itself, establish that the turbocharger is defective. There can potentially be other causes of an underboost condition, including issues involving boost-control components, hoses, connections, sensors, vacuum or pressure leaks, wiring, electronic controls, or other related components.

In the duration of ownership with this vehicle, there is always lights lighting up on the dashboard which trigger my sensors and causes my dashboard to light up like a Christmas tree. I do not feel safe when that happens randomly in the middle of driving on the highway.

These also are warning signals that keep coming on I took it to AutoZone obd scanner said is was misfire cylinder2got spark plug changed and engine coil still showing same thing on scanner

The contact owns a 2018 Honda Accord. The contact stated that the backup camera was turning on and off. While reversing, the backup camera turned black over time. The check engine and ACC adaptive cruise control warning lights were illuminated. The vehicle was taken to the local dealer, who confirmed the vehicle was not covered under NHTSA Campaign Number: 18V629000 (Back Over Prevention, Visibility). The dealer provided an unknown diagnosis, but the vehicle was not repaired. The manufacturer was contacted, who opened a case and referred to the NHTSA hotline. The approximate failure mileage was 98,179.

When Tpms light comes on, all safety features including cruise control become disabled. Lane assist and collision safety features become disabled. On top of that, I have had Honda look at my rear end after they replaced a rear upper control arm after being in a ditch and at 246,000 current miles, I have replaced my tires 16 times due to the rear tires ripping the tread off between 10-15k. If there was nothing else wrong, why have I spent between $10,000-$15,000 miles on tires? I have had numerous alignments at Honda and elsewhere. Marion Honda claims it’s normal! I was told I can put adjustable control arms on. I have met other Honda accord sport 1.5t owners with 50k miles on one set of tires, yet I can’t get more than 15k on the rear tires. Clearly something is bent or incorrect currently I am re replacing the upper control arm.. They say the alignment rack does not flag anything. I have bought between Goodyear, Michelin, and Pirelli tires they also replaced a turbo, only for a few months later to have a pressure problem that Findlay Honda found I was missing an oring in the turbo or intercooler. How? Orings do not call out. Fast forward 18 months and another bad turbo on this lemon!

Vibration in car took it to dealership but still can't figure out what's causing to vibrate so much when driving and idling.

everytime upon start up i get a message saying supplement restraint system error see dealer, should not be having this issue

Also the side of the center console. I have leather seats and all my years of owning cars with leather my head rest or center console has ever looked like this.

The contact owns a 2018 Honda Accord. The contact stated that upon starting the vehicle, the engine and TPMS warning lights illuminated. The message that the vehicle should not be driven was displayed. The lane assist feature was inoperable. The contact disconnected the battery, and the warning light disappeared. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 55,000.

While traveling on the interstate at 70-74mph without warning, the tire suddenly blew out, causing the car to shake and forcing me to the shoulder, which almost led to an accident. The car was recently serviced at a Honda dealership, which noted my tire tread was in good condition. The problem appears to be with the sidewall of the tire, which blew, causing the issue.

4 year old Accord, 28k miles, garaged, not driven much in the past 2 years. A/C has failed.

The contact owns a 2018 Honda Accord. The contact stated that in April of 2021 the vehicle was taken to a dealer for an unknown recall related to the BCM. Months later, the contact parked her vehicle in the driveway and walked around it to retrieve her trash can, when she turned around it was discovered that the vehicle was rolling causing the front to crash into her against the garage wall. There were no warning lights illuminated. The contact sustained a pelvic bone injury and was transported to the hospital for medical treatment. A police report was filed. The vehicle was not diagnosed or repaired by a dealer. The manufacturer had not been informed of the failure. The failure mileage was approximately 30,000.