2023 RAM 2500 engine problems
11 owner complaints filed with NHTSA name the engine on the 2023 RAM 2500 — 23% of all complaints for this model year.
What owners report
“Vehicle: 2023 Ram 2500 Diesel (6.7L Cummins) – approx. 36,000 miles, under factory warranty Complaint Summary: Our 2023 Ram 2500 diesel is producing visible smoke from the engine bay and a persistent ticking/clicking noise from the engine. This occurs while driving and at idle. We have video…”
filed Feb 10, 2026
“My 2023, Ram 2500 truck with a Cummins 6.7L diesel engine has a known defect with the grid heater bolt. This bolt can loosen or break off, falling into the engine and causing catastophic engine failure. This creates a suddne loss of power, espcially dangerous when towing heavy loads at highway…”
filed Sep 5, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Sensor - turbocharger speed
113744 · Service Bulletin/Repair Instructions · issued Jul 29, 2026INJECTOR - FUEL
113293 · Service Bulletin/Repair Instructions · issued Jul 8, 2026INJECTOR - FUEL
113292 · Service Bulletin/Repair Instructions · issued Jul 8, 2026
Engine problems in other 2500 years
| Year | Reports | Share |
|---|---|---|
| 2026 2500 | 4 | 19% |
| 2025 2500 | 7 | 12% |
| 2024 2500 | 8 | 15% |
| 2022 2500 | 29 | 17% |
| 2021 2500 | 25 | 24% |
| 2020 2500 | 33 | 20% |
| 2019 2500 | 31 | 16% |
| 2018 2500 | 36 | 1% |
| 2017 2500 | 37 | 5% |
| 2016 2500 | 53 | 21% |
| 2015 2500 | 34 | 16% |
| 2014 2500 | 61 | 18% |
Other reported problem areas on the 2023 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.