2021 RAM 1500 engine problems
276 owner complaints filed with NHTSA name the engine on the 2021 RAM 1500 — 41% of all complaints for this model year.
What owners report
“I own a 2021 Ram 1500 with the 3.0L EcoDiesel Gen 3 engine. The vehicle has experienced diagnostic trouble code P00AF, indicating a turbocharger/variable geometry turbocharger (VGT) boost-control performance problem. I have already taken the vehicle to a Ram dealership for this same issue. The…”
filed Sep 8, 2026
“This vehicle was subject to NHTSA Recall 22V-767 / Stellantis Recall Z96 for a defective Bosch CP4.2 high-pressure fuel pump (HPFP) known to fail and release metal debris into the fuel system. The recall remedy (HPFP replacement) was performed at an authorized Stellantis/Ram dealership on…”
filed Aug 31, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- High pressure fuel pump (HPFP) may fail, causing an engine stallCampaign 22V767000 · Oct 13, 2022
Related service bulletins
Engine PNs: MY 24-26 WD/DT (5.7L) Code P00B is being misdiagnosed and incorrect parts are being installed causing over repair. Refer to SOL S2609000006 The IAFM Foam Engine Valley Cover (PN 53013735AB) does not provide…
9100898 · Service Bulletin/Repair Instructions · issued Sep 8, 2026
Engine problems in other 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 1500 | 8 | 9% |
| 2025 1500 | 66 | 19% |
| 2024 1500 | 23 | 32% |
| 2023 1500 | 46 | 23% |
| 2022 1500 | 244 | 40% |
| 2020 1500 | 155 | 25% |
| 2019 1500 | 227 | 15% |
| 2018 1500 | 110 | 17% |
| 2017 1500 | 156 | 18% |
| 2016 1500 | 291 | 19% |
| 2015 1500 | 334 | 23% |
| 2014 1500 | 302 | 17% |
Other reported problem areas on the 2021 RAM 1500
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.