2020 RAM 2500 engine problems
33 owner complaints filed with NHTSA name the engine on the 2020 RAM 2500 — 20% of all complaints for this model year.
What owners report
“The contact owns a 2020 Ram 2500. The contact stated that while driving the vehicle at an undisclosed speed, a tapping sound was heard, which gradually grew louder. The next day, the vehicle was taken to a dealer where it was diagnosed with a piston 5 failure, and the dealer determined that the…”
filed Jul 7, 2026
“The contact owns a 2020 RAM 2500. The contact stated while driving at an undisclosed speed, the contact noticed that the engine was running unusually rough and the engine seized. No warning lights were illuminated. The vehicle was towed to an independent mechanic where it was diagnosed with a…”
filed Jul 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Radiator - engine cooling
114254 · Service Bulletin/Repair Instructions · issued Aug 26, 2026Radiator - engine cooling
114255 · Service Bulletin/Repair Instructions · issued Aug 26, 2026
Engine problems in other 2500 years
| Year | Reports | Share |
|---|---|---|
| 2026 2500 | 4 | 17% |
| 2025 2500 | 8 | 13% |
| 2024 2500 | 9 | 16% |
| 2023 2500 | 11 | 23% |
| 2022 2500 | 29 | 16% |
| 2021 2500 | 26 | 24% |
| 2019 2500 | 32 | 17% |
| 2018 2500 | 37 | 1% |
| 2017 2500 | 39 | 6% |
| 2016 2500 | 53 | 21% |
| 2015 2500 | 34 | 16% |
| 2014 2500 | 61 | 18% |
Other reported problem areas on the 2020 RAM 2500
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.