2018 Honda Accord Hybrid fuel/propulsion system problems
13 owner complaints filed with NHTSA name the fuel/propulsion system on the 2018 Honda Accord Hybrid — 11% 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
“At approximately [XXX]. Pacific, I was traveling southbound in the fastrak lane of the [XXX] departing from Pleasant Hill, California headed to Pleasanton, California. As I began to accelerate, the engine began to sputter. Immediately, the check engine light flashed on, then the dashboard reported…”
filed Aug 11, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Accord Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2024 Accord Hybrid | 12 | 16% |
| 2023 Accord Hybrid | 22 | 16% |
| 2022 Accord Hybrid | 1 | 2% |
| 2021 Accord Hybrid | 3 | 6% |
| 2020 Accord Hybrid | 3 | 8% |
| 2019 Accord Hybrid | 8 | 9% |
| 2017 Accord Hybrid | 1 | 2% |
| 2015 Accord Hybrid | 4 | 10% |
| 2014 Accord Hybrid | 1 | 4% |
| 2005 Accord Hybrid | 2 | 7% |
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.