2015 Honda Odyssey engine problems
53 owner complaints filed with NHTSA name the engine on the 2015 Honda Odyssey — 26% of all complaints for this model year.
What owners report
“I first experienced an engine misfire in February 2025. The vehicle had a P0301 misfire code, and at the time I was unaware of Honda’s extended warranty related to this issue. We had a trusted mechanic friend inspect the vehicle and replace the spark plugs and ignition coils. He noted that there…”
filed Jul 29, 2026
“American Honda Motor Co., Inc. issued an official Warranty Extension in July 2025 covering engine misfires from piston ring deterioration (DTCs P0301-P0304) on 2013-15 Pilot and 2013-17 Odyssey vehicles. My 2015 Honda Odyssey (VIN: [XXX]) experienced this exact defect, resulting in severe engine…”
filed Jul 28, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1…
A26-001 · Service Bulletin/Repair Instructions · issued Feb 1, 2026Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1…
A25-061 · Service Bulletin/Repair Instructions · issued Aug 29, 2025Owner Notification Letter - the piston ring function can deteriorate due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301…
ONL6Z6072025 · Other · issued Jul 29, 2025Service Bulletin - The piston ring function deteriorates due to ring wear and sticking from sludge. Oil from the crankcase adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1…
A25-061 · Service Bulletin/Repair Instructions · issued Jul 18, 2025Dealer Message - Piston ring effectiveness may be reduced due to excessive wear and oil sludge build-up, which can cause oil to adhere to the spark plug, potentially leading to carbon fouling and misfire triggering DTCs…
AEBM06172025901 · Other · issued Jun 17, 2025
Engine problems in other Odyssey years
| Year | Reports | Share |
|---|---|---|
| 2026 Odyssey | 5 | 22% |
| 2025 Odyssey | 151 | 52% |
| 2024 Odyssey | 29 | 35% |
| 2023 Odyssey | 11 | 12% |
| 2022 Odyssey | 15 | 12% |
| 2021 Odyssey | 23 | 18% |
| 2020 Odyssey | 64 | 15% |
| 2019 Odyssey | 128 | 14% |
| 2018 Odyssey | 183 | 19% |
| 2017 Odyssey | 10 | 26% |
| 2016 Odyssey | 91 | 34% |
| 2014 Odyssey | 59 | 19% |
Other reported problem areas on the 2015 Honda Odyssey
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.