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ProblemsByVin Index / 2021-HONDA-ACCORD / COMPLAINTS
Full complaint record · NHTSA

2021 Honda Accord owner complaints

200 complaints filed with NHTSA on this vehicle , including 1 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

other 5 complaints shown

12/28/2023 ODI #11562475.0

At speed limit cruising down I66. I was all alone. No birds in area at all. Open road. I was in middle lanes. Car attempted to come to a complete stop by itself. “Phantom Braking”? All my friends with Honda’s and Acura’s mentioned similar issues. If anyone was behind me, I could have caused a pile up or even worse. It’s happened a few times. Took to Capitol Heights Honda and Landmark Honda. They ran diagnostics. Explained to me there were no error codes. I explained to them, if system has a fault, it thinks it’s operating properly. So, no errors would appear! I have experience and education in computer programming (College), mechanical and electronic (US Army) and over 30 electromechanical troubleshooting, repair and maintenance and other IT experience. SME After they haven’t been able to

11/25/2023 ODI #11556806.0

My family and I were driving home to LA from NM. I had been using the cruise and steer assist earlier in the drive but had it off after going through a metro area interstate. There was no vehicles within the cars front camera system when while driving 75 mph( that was the sped limit in TX), the cars braking system engaged with a hard break, no “brake” light flash of rapid break pumps as it would do if something was within the camera range. I was able to get in slow lane and within 30 secs it did it again. I was able to drive another hour with no issue but stayed under 65mph. We are 7 hours away from home and will be getting it to the dealership. This could have caused a major wreck.

11/20/2025 ODI #11700645.0

I am reporting a safety-related issue on my 2021 Honda Accord Hybrid involving a failure of the heating and climate control system. The vehicle is unable to produce heat or properly defrost the windshield, which significantly reduces visibility in cold weather. This directly impacts safe operation during winter conditions and should be considered a safety concern rather than a comfort issue. A Honda dealership diagnosed the problem as a heater core failure. The heater core itself is approximately 150, but the repair requires extensive disassembly and is estimated at nearly 2,000 due to labor. This type of failure should not occur on a vehicle this new. I recently purchased the car and do not believe this is normal wear or maintenance. Honda was contacted and denied goodwill assistance, sta

11/15/2021 ODI #11440569.0

Blind spot warning indicator intermittently illuminates when there is no vehicle in the blind spot.

11/13/2025 ODI #11699113.0

The infotainment screen repeatedly overheats and runs through ghost commands (commands not initiated by the user). This includes repeated, unsolicitated phone calls, texts, radio changes, GPS commands, system tones, etc. This is dangerously distracting and takes the drivers attention off the road ahead. Honda 39710-TVA-A23 DISPLAY, CTR (8INCH) 2018-2022 Honda 39710TVAA23

airbags 3 complaints shown

13 total in this category · moderate · avg repair $1,100 · see airbags cluster analysis →
12/28/2024 ODI #11632883.0

Honda, US operations based in CA, continues to refuse to fix their recalled cars. I was notified 18 months ago about an airbag recall for my 2021 Honda Accord. Honda is telling customers that "parts will be ready to fix all affected cars next month", but they are telling their dealers that "it may take 4-5 years to provide them these parts". One of their San Diego dealers told me today that they are just starting to repair a fuel pump recall first discovered 2 years ago. Why is Honda allowed to refuse to make timely repairs to their customers vehicles? Their customers continue to be killed due to their Takata airbag recall from years ago because they continue to drag their feet with repairs. Why is Honda allowed to drag their feet with recalls?

12/16/2024 ODI #11631015.0

I have a open recall on my vehicle from 2/2024 VIN [XXX] Honda Will not honor it because, they don’t have the parts is what I was told. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

10/28/2024 ODI #11622296.0

I have contacted multiple dealers to repair the recall. However, none of the dealers have the parts to repair it and does not know when they will have parts. They asked me to keep checking because they will not be contacting me when the parts are available. I am using my vehicle everyday and I have a passenger present at all times. I do not want to get in an accident and have my passengers in danger for a faulty weight sensor. I need to find a fix for this recall as soon as possible.

brakes 2 complaints shown

17 total in this category · severe · avg repair $450 · see brakes cluster analysis →
12/21/2025 ODI #11706425.0

It makes false things there is no car but it brakes by self for nothing

12/18/2024 77,156 mi ODI #11631396.0

The contact owns a 2021 Honda Accord. The contact stated while driving at approximately 30 MPH, the vehicle stalled. The braking system warning light was illuminated. The failure had occurred on several occasions. The vehicle was taken back to the residence. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 77,156.

engine 2 complaints shown

14 total in this category · severe · avg repair $3,100 · see engine cluster analysis →
12/18/2025 74,000 mi ODI #11705837.0

The contact's girlfriend owns a 2021 Honda Accord. The contact stated that while his girlfriend was driving at an undisclosed speed, the check engine warning light and several other unknown warning lights illuminated. Additionally, the contact stated that the engine was slightly misfiring while driving. An independent mechanic replaced the spark plugs and the ignition coils at the residence; however, the failure recurred 3 weeks later. The mechanic inspected the vehicle but could not determine the cause of the failure. The vehicle was taken to the dealer, where it was diagnosed with head gasket and fuel injector failure. The contact was provided an estimate for the repair. The vehicle was not repaired due to the cost. The manufacturer was not notified of the failure. The failure mileage wa

11/21/2025 Crash ODI #11700745.0

Vehicle accelerated on its own and propelled the vehicle over a curb and into a building. This occured even though the gear shift was in the Park position. My grandchild and I were thrown forward as vehicle hit the building. Vehicle has not been inspected since incident occurred just yesterday, 11/20/2025. No warnings preceded the incident,

visibility 2 complaints shown

3 total in this category · moderate · avg repair $350 · see visibility cluster analysis →
12/13/2021 ODI #11443613.0

The contact owns a 2021 Honda Accord. The contact stated when entering their vehicle. they noticed several small dark circles forming around the front driver side window as well the front windshield which made it difficult for the contact visibility while driving the vehicle. The contact stated after a few days the dark circles would disappear however it comes back intermittently. The contact took the vehicle to a local dealer who inspected the vehicle and was told they believe the failure is related to the tinting on the windows that is causing the failure but was not able to provide a fixture for the failure. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was unknown. Consumer stated circles appear randomly on six windows. There are wid

11/13/2021 ODI #11440332.0

I opened the hood to clean leaves collected at the drain. As with my other cars, I thought that the hood would remain in up position. It just suddenly came down with tremendous force. I almost had my hands crushed under the hand. I got lucky but driver's side viper arm broke at the end which I had to get replaced at my expense. I think that Honda should recall and install hood lift supports to prevent serious injury to persons.

electrical 2 complaints shown

42 total in this category · moderate · avg repair $850 · see electrical cluster analysis →
11/15/2024 ODI #11625538.0

NOTE: the item / malfunction described below is CURRENTLY UNDER RECALL for multiple Honda models but has not YET been recalled for the 2021 Accord Sport 2.0T. Please add this model to the recall list!!! I had been driving on the interstate for about 30 minutes on Thursday, 11/7, when suddenly seven of the warning lights flashed in succession on my vehicle, including braking system warnings, emission system warnings, and tire pressure system warmings. I pulled to the side of the road, quite concerned. I called the dealership. The service professional thought it might be the radar on the front camera causing an electrical system malfunction. I was advised by the service technician to drive slowly (about 55mph) and come to the dealership (about an hour away). Upon inspection by the d

11/07/2024 ODI #11623957.0

Touch screen glitching and beeping, acts as if being touched and scrolls through settings and apps randomly; makes phone calls that can’t easily be disconnected, hangs up calls, enables or disables navigation. Many distracting and potentially dangerous glitches. Unsure if integrates into automated features and unsure if it will engage braking, steering, cruise control, etc. while driving. Replacement part indefinitely back ordered. Local and corporate uncooperative in answering questions regarding safety concerns. Touchscreen unresponsive frequently.

seatbelts 1 complaint shown

4 total in this category · moderate · avg repair $500 · see seatbelts cluster analysis →
12/12/2023 ODI #11559672.0

Front passenger side seat belt does not lock into place. Nothing is obstructing it, we were told it is not covered under the vehicles warranty and have to pay out of pocket to get it fixed. Isn’t this a safety hazard?

powertrain 1 complaint shown

11 total in this category · severe · avg repair $2,500 · see powertrain cluster analysis →
10/25/2025 ODI #11695539.0

The head gaskets are known to fail on the 10 generation accord. It failed on my 2021 Honda accord ex-l. I left work and while I was driving the dashboard lit up with every possible light. This was quickly followed by the vehicle losing power on the highway. I ultimately got it repaired by a Honda certified mechanic. The mechanic took it to a Honda dealer to confirm it was the gasket, in which it was. There were no warning lamps message or other symptoms prior to the failure. At the time of power loss I was on an 8 lane highway at 70mph. Luckily no accidents occurred, but the failure definitely put my safety at risk along with others. The mechanic I took my vehicle to has all available information if needed upon request.

cruise control 1 complaint shown

5 total in this category · severe · avg repair $600 · see cruise control cluster analysis →
10/22/2025 ODI #11694898.0

I hereby state that my 2021 Honda Accord has experienced major mechanical failures involving the transmission and head gasket. The vehicle began exhibiting mechanical issues including rough shifting, loss of power, and engine overheating. Upon inspection by a qualified automotive technician, it was determined that both the transmission and head gasket have failed prematurely. These failures have rendered the vehicle unsafe and inoperable, resulting in significant repair costs, loss of use, and financial hardship. The nature and timing of these failures suggest a possible manufacturing or design defect. This statement is submitted in support of a formal claim and potential legal action against the responsible parties for the defective condition of the vehicle.

Showing 300 of 200 total complaints. The full federal record is available at nhtsa.gov/vehicle/2021/Honda/Accord#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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