2012 Dodge Ram 3500 engine and engine cooling problems
10 owner complaints filed with NHTSA name the engine and engine cooling on the 2012 Dodge Ram 3500 — 3% of all complaints for this model year.
What owners report
“The contact owned a 2012 Dodge Ram 3500. The contact stated that while the vehicle was parked, a fire started under the hood. The fire was extinguished by the fire department. The hood was completely consumed by the fire. The fire department declared the vehicle a total loss. The contact stated…”
filed Sep 4, 2026
“The contact owns a 2012 Ram 3500. The contact stated that while that while the vehicle was in for service, the independent mechanic discovered fuel leaking from the fuel filter heater assembly. The contact was advised that the fuel filter heater assembly needed to be replaced. The vehicle was not…”
filed Mar 11, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Ram 3500 years
| Year | Reports | Share |
|---|---|---|
| 2011 Ram 3500 | 4 | 2% |
| 2010 Ram 3500 | 6 | 4% |
| 2009 Ram 3500 | 1 | 1% |
| 2008 Ram 3500 | 13 | 8% |
| 2007 Ram 3500 | 17 | 8% |
| 2006 Ram 3500 | 6 | 2% |
| 2005 Ram 3500 | 10 | 5% |
| 2004 Ram 3500 | 6 | 3% |
| 2003 Ram 3500 | 4 | 1% |
| 2002 Ram 3500 | 2 | 5% |
| 2001 Ram 3500 | 5 | 4% |
| 2000 Ram 3500 | 5 | 9% |
Other reported problem areas on the 2012 Dodge 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.