2020 RAM 2500 fuel/propulsion system problems
40 owner complaints filed with NHTSA name the fuel/propulsion system on the 2020 RAM 2500 — 25% of all complaints for this model year.
What owners report
“Def pump failed twice with this vehicle and with that it does not allow the vehicle to run any faster than 5 mph after the countdown ends. Unknown how the exhaust being plugged and service was done to clean the exhaust ended up having the fuel pump and turbo charger needing replaced. Not sure if…”
filed Jan 28, 2026
“Subject: Fuel System Failure Resulting in Engine Damage – 2020 RAM 2500 Pickup VIN: [XXX] Complaint Summary: I am submitting this complaint to formally report a dangerous and costly fuel system defect in my 2020 Dodge Ram 2500 Pickup (VIN: [XXX] ) that has resulted in catastrophic engine damage…”
filed Aug 7, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 2500 | 2 | 3% |
| 2024 2500 | 2 | 4% |
| 2023 2500 | 1 | 2% |
| 2022 2500 | 9 | 5% |
| 2021 2500 | 8 | 8% |
| 2019 2500 | 39 | 21% |
| 2018 2500 | 10 | 0% |
| 2017 2500 | 10 | 1% |
| 2016 2500 | 12 | 5% |
| 2015 2500 | 10 | 5% |
| 2014 2500 | 25 | 7% |
| 2013 2500 | 22 | 12% |
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.