2021 Ram 1500 problems and complaints
Owners have filed 687 complaints with NHTSA about the 2021 Ram 1500. The most-reported areas: Engine (277), Electrical System (199), Unknown Or Other (103).
Key takeaways
- 687 owner complaints on file with NHTSA.
- 27 involve a crash, 4 a fire, 23 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 277 | 40% |
| Electrical System | 199 | 29% |
| Unknown Or Other | 103 | 15% |
| Power Train | 100 | 15% |
| Service Brakes | 73 | 11% |
| Fuel/Propulsion System | 70 | 10% |
| Forward Collision Avoidance | 52 | 8% |
| Steering | 50 | 7% |
| Structure | 33 | 5% |
| Vehicle Speed Control | 30 | 4% |
| Fuel System | 28 | 4% |
| Air Bags | 27 | 4% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2021 Ram 1500
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Ram 1500 Crew PU/CC 4WD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2021 Ram 1500 Quad PU/EC 4WD | 4/5 | 4/5 | 5/5 | 4/5 |
| 2021 Ram 1500 Crew PU/CC 2WD | 5/5 | 4/5 | 5/5 | 4/5 |
| 2021 Ram 1500 Quad PU/EC 2WD | 4/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Fuel System, Diesel - filed 2026-11-04
The contact owns a 2021 Ram 1500. The contact stated that while driving at 30 MPH, the vehicle lost motive power. The vehicle was towed to an independent mechanic, who determined that the diesel pump needed to be replaced. The manufacturer was notified of the failure by phone. The failure mileage was approximately 75,0...
Engine - filed 2026-10-29
The engine oil pan severely corroded and over 30% of the 18 gauge steel scaled away. For an 18-gauge steel oil pan (nominal thickness of 0.0478 inches or 1.2 mm), the threshold where rust becomes hazardous is remarkably thin—literally and figuratively. Because an oil pan holds hot, chemically active fluid and is subjec...
Power Train - filed 2026-10-29
Transmission issues are a known problem in the 2021 Ram 1500 and have been for a while, with no recalls. Slipping of gear. Delay or jerking into reverse. Putting it in reverse and it telling me to put it into park or it auto-correcting itself into park. While driving twice and going from complete stop after the auto co...
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More for the 2021 Ram 1500
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.