2018 Honda Accord Hybrid engine problems
24 owner complaints filed with NHTSA name the engine on the 2018 Honda Accord Hybrid — 21% of all complaints for this model year.
What owners report
“While driving on a bridge at under 20 mph, the vehicle's head gasket failed, causing the engine to overheat and coolant to leak from within the engine. The vehicle threw diagnostic trouble code P2601 and immediately entered "limp mode," severely cutting engine power and vehicle speed. Because this…”
filed Aug 31, 2026
“On 2-252026 my wife and I were driving on highway I-15 in California when the car started to accelerate, decelerate and jerk and the engine light came on. It was very scary because we were on a major highway driving around 60 MPH and cars were behind us when the deceleration happened. We could have…”
filed Jun 25, 2026
“While driving on the highway at approximately 65 mph with my child in the vehicle during rush-hour on May 21, 2026, my 2018 Honda Accord Hybrid Touring (105,746 miles) suddenly dropped speed, and began backfiring and stopped responding to the gas pedal. The check engine light flashed and the vehicle ran rough. I…”
filed Jun 24, 2026
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.
A26-006 · Service Bulletin/Repair Instructions · issued Aug 26, 2026Dealer 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&10302024903 · Other · issued Oct 30, 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 | 21% |
| 2022 Accord Hybrid | 5 | 9% |
| 2021 Accord Hybrid | 10 | 21% |
| 2020 Accord Hybrid | 5 | 13% |
| 2019 Accord Hybrid | 27 | 29% |
| 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 2018 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.