2012 Dodge Ram 2500 engine problems
44 owner complaints filed with NHTSA name the engine on the 2012 Dodge Ram 2500 — 16% of all complaints for this model year.
What owners report
“We purchased our 2012 Dodge Ram heavy duty with tow package new. At just over 152000 miles, the engine started knocking while on vacation. We were not towing at the time. We put in injector cleaner to try and help the knocking. During our vacation, we were on the freeway when we suddenly lost…”
filed May 27, 2026
“The contact owns a 2012 Ram 2500. The contact stated the vehicle failed to start intermittently. The contact also stated that the air bag warning light was illuminated. The vehicle was taken to the local dealer and the dealer was made aware of the failure. The vehicle was not repaired. The…”
filed Jul 14, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Bearing - crankshaft thrust and kit
112906 · Service Bulletin/Repair Instructions · issued Jun 17, 2026Bearing - crankshaft thrust and kit
112906 · Service Bulletin/Repair Instructions · issued Jun 17, 2026
Engine problems in other Ram 2500 years
| Year | Reports | Share |
|---|---|---|
| 2011 Ram 2500 | 28 | 9% |
| 2010 Ram 2500 | 20 | 8% |
| 2009 Ram 2500 | 5 | 2% |
| 2008 Ram 2500 | 16 | 5% |
| 2007 Ram 2500 | 16 | 4% |
| 2006 Ram 2500 | 5 | 1% |
| 2005 Ram 2500 | 6 | 1% |
| 2004 Ram 2500 | 12 | 2% |
| 2003 Ram 2500 | 5 | 1% |
| 2002 Ram 2500 | 2 | 1% |
| 2001 Ram 2500 | 2 | 0% |
| 2000 Ram 2500 | 2 | 1% |
Other reported problem areas on the 2012 Dodge 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.