2018 Ram 3500 problems and complaints
Owners have filed 809 complaints with NHTSA about the 2018 Ram 3500. The most-reported areas: Service Brakes (669), Hydraulic (145), Electrical System (137).
Key takeaways
- 809 owner complaints on file with NHTSA.
- 16 involve a crash, 2 a fire, 6 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Service Brakes | 669 | 83% |
| Hydraulic | 145 | 18% |
| Electrical System | 137 | 17% |
| Vehicle Speed Control | 108 | 13% |
| Forward Collision Avoidance | 60 | 7% |
| Unknown Or Other | 37 | 5% |
| Steering | 34 | 4% |
| Wheels | 24 | 3% |
| Power Train | 23 | 3% |
| Air | 22 | 3% |
| Engine | 15 | 2% |
| Suspension | 11 | 1% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2018 Ram 3500
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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Latest complaints, as filed
Owner-written and unverified by NHTSA.
Fuel/Propulsion System - filed 2026-11-01
the fuel sensor has failed. I have 98.837 miles on the truck. I have seen the same problem stated on youtube of mother [XXX] having the same problem with the fuel sensor. The fix has been because of the route the wire runs behind the driver side fender guard in the wheel well has a spot which breaks the wire. INFORMATI...
Service Brakes - filed 2026-10-26
There was a Recall C4B/NHTSA 24V-896 on my 2018 Ram 3500 truck back in 2024. The part HCU/ABS unit that was recalled went out on my truck on or about 6/23/2025. Went to dealership on 6/25/2025 they told me that they have an old model part NOT the new updated recall part in stock. Due to safety concerns, I agreed for th...
Service Brakes, Hydraulic - filed 2026-10-16
The contact owns a 2018 Ram 3500. The contact received a notification of NHTSA Campaign Number: 24V896000 (Service Brakes, Hydraulic); however, the part required for the recall repair was not yet available. The ABS and Traction Control warning lights illuminated. Four separate local dealers were contacted. The manufact...
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More for the 2018 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.