2015 Ram 3500 problems and complaints
Owners have filed 137 complaints with NHTSA about the 2015 Ram 3500. The most-reported areas: Power Train (32), Engine (28), Service Brakes (24).
Key takeaways
- 137 owner complaints on file with NHTSA.
- 3 involve a crash, 5 a fire, 1 reported injury.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Power Train | 32 | 23% |
| Engine | 28 | 20% |
| Service Brakes | 24 | 18% |
| Steering | 22 | 16% |
| Electrical System | 19 | 14% |
| Suspension | 17 | 12% |
| Wheels | 15 | 11% |
| Unknown Or Other | 14 | 10% |
| Vehicle Speed Control | 6 | 4% |
| Fuel/Propulsion System | 6 | 4% |
| Air Bags | 4 | 3% |
| Structure | 3 | 2% |
One complaint can name several components, so shares add up to more than 100%.
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Steering,suspension,engine - filed 2026-10-06
I own a 2015 Ram 3500 equipped with the 6.7L Cummins diesel engine. An authorized Ram dealership diagnosed an engine oil leak originating from the timing gear housing-to-engine block/cylinder block gasket. The leak has progressed beyond minor seepage. Engine oil is traveling down onto the chassis/track bar area and is ...
Steering - filed 2026-06-05
The contact owns a 2015 Ram 3500. While attempting to have an alignment performed, the contact was informed that the steering drag link and the tie rod were both cracked. The failure caused rapid, premature wear on the tire. The contact stated that the vehicle was previously repaired under NHTSA Campaign Number: 19V021...
Electrical System - filed 2026-03-04
The contact owns a 2015 Ram 3500. The contact stated while driving approximately 70 MPH in the left lane, the check engine warning light illuminated, and the vehicle simultaneously went into LIMP Mode. The contact was able to pull over to the shoulder of the roadway. The contact was able to continue driving, but the ve...
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More for the 2015 Ram 3500
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.