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KLUNK
KLUNK

2020 Honda Accord

The Verdict

39 Check Engine

The 2020 Honda Accord has 354 owner complaints filed with NHTSA. The most reported issues are body (128 complaints) and engine (111 complaints). With a Klunk Score of 39/100, it earns a "Check Engine" rating. If you're shopping for a Honda Accord, consider the 2021 model year which has 35% fewer complaints.

Safe Bet

The 2021 has 35% fewer complaints

View the 2021 Honda Accord dashboard →

39

Klunk Score: Check Engine

More complaints than most vehicles. Known issues exist — budget for potential repairs.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

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Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngineTransmission
200028048582102192
20011593947562196
20021873132160459
2003362161459158871
20042025736664326
2005166482938198
2006133481634343
2007161462016550
200816255449825640
200914122618314623
201013212414913433
2011105131253415
201218533776619
201365210336021885
201429111530820852
20151953720713428
2016179282887923
20171953616411127
201849022021783846
2019202786931218
202012854531118
2021922654478
20221011281434

By Category

Body
128
Engine
111
Brakes
54
Electrical
53
Transmission
8

By Severity

1
171
2
165
3
3
4
14
5
1

Worst Problems

Compare Against

See how the 2020 Honda Accord stacks up against rivals.

Complaints

Body 2

I was driving on 42 at 2:05 a.m. And I was heading towards the exit to get off and I started slowing down and after I took my foot off the brake, the brake light illuminated on my dashboard for me to hit the break, like something was in front of me and there wasn’t anything in front of me.

15d ago
Body 2

I was driving on route 42 at 11:52 PM and my brake light illuminated on my dashboard indicating me to hit the brake so I stepped on the break so my car wouldn't brake itself. There was nothing directly in front of me for that like to come on but it did. The highway was dry there was a little bit of cars on the highway but in front of me

16d ago
Engine 1

The contact owns a 2020 Honda Accord. The contact stated that while driving on several occasions at various speeds, the messages "Emissions System Failure," "Electric Power Steering Failure," "Hill Start Assistant Failure," "Collision Mitigation," "Collision Road Departure," "TPMS Failure," "Brake System Failure”, “Brake Performance Reduced", "Vehicle Stability Assistance Failure," "Adaptive Cruise Control Failure", "Road Departure Mitigation Failure," and "Brake Hold System Failure" were displayed. The contact stated that the check engine, TPMS, brake system, traction control, and power steering warning lights were illuminated. The vehicle was taken to a dealer where it was diagnosed that the head gasket and turbocharger needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.

17d ago
Body 2

I was driving on [XXX] at around 1252AM, and my Brake light lite up on my dashboard, indicating me to press on the break or the car was going to break its self. The roads were clear and dry, there was barely any traffic. If I didn’t press on the brake when the car told me too it would have stopped it’s self cause me and my passenger to get thrown forward and me to get hit in the rear of my car. This has been going on for quite sometime. I talked to [XXX] from American Honda customer service back in December of 2025 about what was going on with my car. I have removed the license plate holder thinking that was causing it but it wasn’t. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

18d ago
Electrical 4

I’m taking my car to the body shop over five occasions and have to take it back one due for it being a computer chip, which was replaced, but the lights on my dash all of them comes on after the second start up. Cruise control doesn’t work brake code doesn’t work all the lights for staring brakes says to check everything.

18d ago
Body 2

This has happened on numerous of occasions. All the lights appear on the dash as I'm driving. I've noticed they only appear when I'm driving on rough roads or just sitting in the car while it's running. The next day or so, the lights are off. This should be a recall. So many people are having the same issue.

21d ago
Engine 2

On July 9-11, 2026, an authorized Honda dealership performed Honda Safety Recall 24-040 involving the fuel pump motor and Honda campaign 21-076 involving replacement of the fuel tank. Approximately five days and 371 miles after the fuel tank replacement, the gasoline pump nozzle became stuck in the fuel filler pipe while refueling. I returned to the same dealership on July 16, 2026. The dealership documented that the pipe guide was “misaligned inside the filler neck” and was “obstructing the fuel hose while refueling the tank.” The dealership reinstalled the filler-neck guide in the correct position and replaced the flap main set under warranty. This problem occurred almost immediately after the dealership had replaced the fuel tank. I have continued experiencing unresolved concerns involving the vehicle after these fuel-system repairs. Because the dealership's own records document a misaligned component shortly after its fuel-tank repair, I no longer have confidence in returning the vehicle to that specific dealership for additional work on the same system. I escalated the matter to American Honda Corporate, including a case manager and a supervisor, and requested assistance obtaining a resolution without returning to the same dealership. Those efforts have not produced a satisfactory remedy. I have been directed back toward dealership-level service despite explaining my documented concerns with the prior repair. I am requesting assistance ensuring that the vehicle receives a safe and effective repair through another qualified authorized Honda facility and that the continuing fuel-system concern is properly evaluated. Repair orders documenting the recall work, subsequent misaligned filler-neck component, and corrective repair are available and are being submitted with this complaint.

22d ago
Electrical 2

My parked 2020 Honda Accord had a spontaneous side curtain airbag deployment with the engine off, which matches the known humidity/short-circuit sensor defects that are currently under Federal safety recall. The deployment caused damage to the interior of my car, as well! There have been no warnings, indications or issues before. There was no collision or impact of any sort. The car will not start and had to be towed to Hugh White Honda, Columbus Rd. Athens, OH. The service department reported that they can’t find the “why” of how it occurred, nor would they be able to repair the damage that occurred from the airbag deployment. The insurance agent said without visible “cause” they will deny any claim.

24d ago
Engine 2

The fueling system is/has failed. The car randomly stops accelerating while on the highway. Yes, it's available for inspections. The car has stopped accelerating while I was on I95, causing others to have slammed on breaks & swerved to avoid hitting me. Yes. Not yet. No, they only appeared after the failure cause the automatic functions to be disabled as well.

25d ago
Engine 2

I was driving on the hwy going about 75 mph which is the posted speed when all of a sudden my car went into limp mode almost causing a 18 wheeler to run over top of my car with me and my child in it no warning or anything and the car would only go about 20 miles per hour after of that and now all the lights are on in the dash only have a 115000 miles on the car at this time very unsafe and gonna cause someone to get killed because of something falling on this car

26d ago
Engine 1

The car has a blown head gasket at 72k miles the odometer. This seems to be a major problem with 2018-2022 honda accords with the 1.5 turbo engine. it also has a bad fuel pump.

1mo ago
Body 1

I was driving on Route 42 today at around 3:45 and my brake light flashed across my dashboard like I needed to step on my break because there was something in front of me but there was nothing in front of me. This has been going on for over a year now I have reported it multiple times and I'm just trying to see if you guys are going to fix it or inspect it I've cleaned off my radar also to make sure that wasn't the problem and it still does it

1mo ago
Engine 1

The car keeps giving me misfires

1mo ago
Electrical 1

1) The infotainment system/8-inch LCD touch screen that controls the system settings is exhibiting ghost/phantom touches and is faulty since July 7th 2026. I tried to self-diagnose it but could not fix it. Yes, the vehicle is available for inspection provided I get a loaner car to drive that day. 2) These random touches are constant and are very distracting and when a driver is distracted, it could lead to accidents and more catastrophically, death of one or multiple people due to a crash. I have tried hard to not get distracted but it sure isn't helping. 3) No, it has not been confirmed by a dealer as they want to charge me 200 USD to diagnose an issue for something I have hard evidence on. I have video evidence of it happening when I was driving to ensure this is not a fake report. Multiple people on the internet have reported the same failure mode so this cannot be a one-time or first occurrence. 4) No one has inspected it except me and a few friends as I do not want to pay to diagnose a safety issue on my car. 5) No warning, no messages, no symptoms. Just randomly started to happen on July 7th 2026. This freaked us out as we driving in the night around 11PM on a freeway and the sudden distraction jolted us. 6) I have added a video link, but please note that it expires in 2 days.

1mo ago
Engine 2

Took my car to Honda they stated my head gaskets and turbo charger was bad .. every shop that i talked to about the problem had stated that they have been getting a alot of my models coming in with the same issue

1mo ago
Engine 1

While driving, my vehicle experienced a sudden engine malfunction consistent with a failed head gasket. The engine began misfiring, shaking, and losing power, and the check engine light began flashing. The vehicle became unsafe to operate. The failed component is the engine head gasket, and the vehicle is available for inspection upon request. The sudden loss of engine performance created a serious safety concern. I was driving on a public roadway when the engine began misfiring and losing power, making it difficult to safely maintain speed and operate the vehicle. A sudden loss of power while driving increases the risk of being rear-ended or becoming involved in a collision, particularly in traffic, while merging, or at highway speeds. The vehicle was inspected and diagnosed by an authorized Honda dealership, which confirmed the head gasket failure. I also spoke with independent mechanics who were immediately familiar with this type of failure on Honda's 1.5L turbocharged engines. Although Honda diagnosed the problem, my request for goodwill assistance was denied because the vehicle was outside the warranty period. The vehicle has been inspected by Honda and is available for further inspection if requested. It has not been inspected by law enforcement or my insurance company because no accident occurred. As the condition progressed, the engine developed a rough idle and intermittent misfires. Eventually, the check engine light began flashing, and the engine began shaking and losing power while I was driving. These warning signs escalated into a condition that I believe presented a significant safety risk. I am submitting this complaint because an engine that suddenly loses power while being driven poses a serious safety hazard to both the driver and others on the road. I respectfully request that the NHTSA investigate whether this represents a recurring safety-related issue affecting Honda vehicles equipped with the 1.5L turbocharged engine.

1mo ago
Engine 2

Fuel injector began failing resulting in a loss of engine power.

1mo ago
Engine 1

High pressure fuel pump failed at 100,000 miles cause the vehicle to lose power.

1mo ago
Engine 1

Blown Head Gasket. This caused major cost in repairs and going without a vehicle, This was a known failure issue with Honda 2020 Accord Sport. I have requested a "goodwill claim" with my nearest Honda dealer and not have gotten a phone call nor email. I have all my repair documents and a well maintenance log on my vehicle. With this being a known issue, it should be covered in the lifetime warranty that I received from the dealership when purchased but it excluded seals and gaskets on my paperwork.

1mo ago
Engine 2

I am the original owner of a 2020 Honda Accord 1.5 Turbo. The vehicle has developed a check engine light, rough engine operation with misfires, and reduced fuel economy at Mileage: 72,207. The vehicle was diagnosed at Honda of Reseda with failed fuel injectors. American Honda reviewed the matter under Case #16435337 and offered a one-time goodwill accommodation that would require an out-of-pocket payment of $1,058.58 plus applicable fees and taxes. I respectfully declined the offer because fuel injector failures causing these exact symptoms appear to be a known and recurring issue on many 2018–2022 Honda Accord 1.5 Turbo models, often occurring at relatively low mileage. Honda has issued technical communications regarding injector-related diagnostic trouble codes (such as P030x and P0172) on these vehicles. I am filing this complaint to document the defect and request a thorough investigation so that a proper recall or comprehensive remedy can be implemented for all affected owners.

1mo ago

354 total

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