2020 RAM 3500 fuel system, diesel problems
22 owner complaints filed with NHTSA name the fuel system, diesel on the 2020 RAM 3500 — 20% of all complaints for this model year.
What owners report
“The contact owns a 2020 Ram 3500. The contact stated that while driving at various speeds, the vehicle made an abnormal ticking sound. The vehicle was taken to the dealer, where it was diagnosed with high-pressure fuel pump failure, but the vehicle was not repaired at the time. The contact stated…”
filed Sep 9, 2025
“The contact owns a 2020 Ram 3500. The contact received notification of NHTSA Campaign Number: 21V880000 (Fuel System, Diesel); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount…”
filed Aug 26, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- High Pressure Fuel Pump (HPFP) may fail, resulting in a sudden engine stall without…Campaign 21V880000 · Nov 12, 2021
Fuel System, Diesel problems in other 3500 years
| Year | Reports | Share |
|---|---|---|
| 2024 3500 | 1 | 3% |
| 2021 3500 | 1 | 2% |
| 2019 3500 | 27 | 20% |
| 2017 3500 | 1 | 0% |
| 2014 3500 | 4 | 2% |
| 2013 3500 | 5 | 4% |
Other reported problem areas on the 2020 RAM 3500
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.