2021 Honda Accord Engine cooling Problems
- Complaints
- 3about this part
- Share
- 1%of 245 total for the year
- Median mileage
- 74,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2021 Honda Accord, 1% of the 245 complaints for this model year. Where a mileage was given, the median is 74,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2021 Honda Accord. The contact stated that while driving approximately 30 MPH, the message Emission System Problem was displayed. The vehicle was taken to the dealer, where it was diagnosed and determined that the turbocharger had failed and needed to be replaced. The contact was informed that the failure was a common issue. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 108,579.”
NHTSA complaint #11758597, filed 2026-08, 108,579 miles“The contact owns a 2021 Honda Accord. The contact stated that while her son was driving 55 MPH, the vehicle shut off with several warning lights illuminated on the instrument panel. The contact's son pulled off to the shoulder of the highway and had the vehicle towed to a dealer. While at the dealer, the mechanic discovered coolant leaking into cylinder #2, causing an engine misfire. The dealer replaced the head gasket. After the repair, the failure returned immediately upon driving the vehicle home from the dealer. …”
NHTSA complaint #11766324, filed 2026-09, 43,881 miles“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. …”
NHTSA complaint #11705837, filed 2025-12, 74,000 milesRelated service bulletins
- 10251157Feb 29, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine…
- 10250732Feb 14, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine…
- 10249625Jan 31, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine…
- 10248977Jan 9, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accords with customer complaint of Charging System Problem (battery icon) or Auto Engine…
- 10233667Mar 28, 2023Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic…
- 10233208Mar 14, 2023Service Bulletin - Under certain circumstances, the vehicle may experience driveability concerns. This may result in the following DTCâs to set: ⢠P0300 (Random Misfire…
- 10233206Mar 13, 2023Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic…
- 10228199Dec 13, 2022Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer…
- 10227231Nov 28, 2022Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer…
- 10226199Nov 7, 2022Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2.0Ls with a customer complaint of an oil leak or a dealer…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 0% |
| 2021 | 3 | 1% |
| 2020 | 2 | 1% |
| 2019 | 10 | 1% |
| 2018 | 28 | 1% |
| 2016 | 2 | 0% |
| 2015 | 4 | 1% |
| 2014 | 5 | 1% |
| 2013 | 7 | 0% |
| 2012 | 9 | 2% |
| 2011 | 4 | 1% |
| 2010 | 12 | 2% |
| 2009 | 29 | 4% |
| 2008 | 41 | 3% |
| 2007 | 26 | 5% |
| 2006 | 19 | 4% |
| 2005 | 27 | 4% |
| 2004 | 28 | 3% |
| 2003 | 95 | 5% |
| 2002 | 33 | 3% |
| 2001 | 29 | 3% |
| 2000 | 65 | 5% |
| 1999 | 144 | 13% |
| 1998 | 134 | 11% |
| 1997 | 48 | 10% |
| 1996 | 96 | 20% |
| 1995 | 43 | 8% |
| 1994 | 84 | 23% |
| 1993 | 35 | 19% |
| 1992 | 19 | 9% |
| 1991 | 14 | 7% |
| 1990 | 13 | 7% |
| 1989 | 12 | 14% |
| 1988 | 8 | 9% |
| 1987 | 6 | 5% |
| 1986 | 3 | 6% |
| 1985 | 1 | 8% |
| 1984 | 4 | 18% |
| 1982 | 1 | 10% |
Other parts of the 2021 Honda Accord
68 complaintsForward collision avoidance
62 complaintsOther or unknown
58 complaintsEngine
38 complaintsBrakes
31 complaintsFuel system
17 complaintsAir bags
15 complaintsLane departure
15 complaintsTransmission and drivetrain
14 complaintsVehicle speed control
9 complaintsSteering
8 complaintsSeat belts
6 complaints
← All problems reported for the 2021 Honda Accord
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology