2023 Honda Accord Hybrid engine problems
30 owner complaints filed with NHTSA name the engine on the 2023 Honda Accord Hybrid — 21% of all complaints for this model year.
What owners report
“Lost all power and the warning light came on concerning brake system failure. The car came to a complete stop and would not accellerate, so had to shut down the system and restart in the middle of the road and luckily was able to drive home with only a brake light illuminated. There is definitely…”
filed Jun 16, 2025
“Vehicle Identification Number (VIN): [XXX] Vehicle Mileage: 29,200 miles Involved Honda Dealership: McGrath Honda, St. Charles, IL Details of Your Inquiry: I am seeking assistance regarding an ongoing issue with my 2023 Honda Accord Sport Hybrid. The first time I noticed this issue was in the…”
filed Apr 7, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
AEBM08262026901 · Other · issued Aug 26, 2026Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
A26-007 · Service Bulletin/Repair Instructions · issued Aug 26, 2026Dealer Message - To help improve engine temperatures, a software update has been developed for the electric water pump to optimize its operation.
AEBM07242026902 · Other · issued Jul 24, 2026Service Bulletin - A slight engine vibration and the Malfunction Indicator Lamp (MIL) is ON with DTC P0700 (Transmission Control System MIL Request) set during start-up in below freezing temperatures.
A25-017 · Service Bulletin/Repair Instructions · issued Jun 23, 2026Service Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection. Roadway debris can cause damage to the PCU Radiator which may result in multiple warning lights, Malfunction…
A26-025 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
Engine problems in other Accord Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2025 Accord Hybrid | 3 | 14% |
| 2024 Accord Hybrid | 10 | 13% |
| 2022 Accord Hybrid | 5 | 9% |
| 2021 Accord Hybrid | 10 | 21% |
| 2020 Accord Hybrid | 5 | 13% |
| 2019 Accord Hybrid | 27 | 29% |
| 2018 Accord Hybrid | 24 | 21% |
| 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 2023 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.