2016 RAM Promaster engine problems
12 owner complaints filed with NHTSA name the engine on the 2016 RAM Promaster — 39% of all complaints for this model year.
What owners report
“I purchase this car used from a dealer. the transmission failed at 87564 miles. i had the a new transmission installed. The gear box or shifter failed at 91231 miles. I had that repaired. The timing chain started to fail at 100432 miles. this issue would cause the car to stall randomly. This I feel…”
filed Dec 1, 2025
“The contact owns a 2016 Ram ProMaster. The contact stated that while driving approximately 70 MPH, the vehicle suddenly shut off. The vehicle was unable to be restarted and was later towed to the local mechanic. The cause of the failure was not yet determined. The local dealer and manufacturer were…”
filed Jul 8, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
STARTER - ENGINE
109512 · Service Bulletin/Repair Instructions · issued Jan 8, 2026Engine Rattle Noise
S2509000001 REV.B · Service Bulletin/Repair Instructions · issued Jul 26, 2025
Engine problems in other Promaster years
| Year | Reports | Share |
|---|---|---|
| 2023 Promaster | 10 | 14% |
| 2022 Promaster | 7 | 12% |
| 2021 Promaster | 6 | 6% |
| 2020 Promaster | 4 | 10% |
| 2019 Promaster | 9 | 16% |
| 2018 Promaster | 11 | 30% |
| 2017 Promaster | 19 | 33% |
| 2015 Promaster | 16 | 27% |
| 2014 Promaster | 13 | 18% |
Other reported problem areas on the 2016 RAM Promaster
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.