2021 Honda Accord Hybrid engine problems
10 owner complaints filed with NHTSA name the engine on the 2021 Honda Accord Hybrid — 21% of all complaints for this model year.
What owners report
“My vehicle is currently suffering a failed head gasket. I was alerted about this issue from local mechanics and friends way before it actually happened. I took it to services and regular maintenance even more frequently after that. However, it still failed no matter what. I took it to the…”
filed Mar 4, 2026
“I purchased my vehicle in March 25th 2024 a message on my dashboard saying engine is too hot so in August of this year I took it to the shop for a diagnosis test and they told me that the car didn’t run hot when they drove it so again in October 10th I was driving home and my car lost power on the…”
filed Oct 30, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected)…
ATI&12052024903 · Other · issued Dec 6, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord FHEVs & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X…
ATI&11132024906 · Other · issued Nov 13, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord FHEVs & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X…
ATI&10162024904 · Other · issued Oct 17, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction…
ATI&10112024901 · Other · issued Oct 11, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction…
ATI&09202024901 · Other · issued Sep 21, 2024
Engine problems in other Accord Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2025 Accord Hybrid | 3 | 14% |
| 2024 Accord Hybrid | 10 | 13% |
| 2023 Accord Hybrid | 30 | 22% |
| 2022 Accord Hybrid | 5 | 9% |
| 2020 Accord Hybrid | 5 | 13% |
| 2019 Accord Hybrid | 26 | 28% |
| 2018 Accord Hybrid | 22 | 19% |
| 2017 Accord Hybrid | 6 | 13% |
| 2015 Accord Hybrid | 15 | 38% |
| 2014 Accord Hybrid | 2 | 8% |
| 2005 Accord Hybrid | 4 | 13% |
Other reported problem areas on the 2021 Honda Accord Hybrid
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.