2015 RAM Promaster service brakes problems
10 owner complaints filed with NHTSA name the service brakes on the 2015 RAM Promaster — 17% of all complaints for this model year.
What owners report
“The contact owns a 2015 Ram ProMaster 2500. The contact stated that the same day that the vehicle was purchased, the check engine warning light illuminated. The contact stated that after shifting to park(P) and the parking brake was engaged, the vehicle rolled backwards. The vehicle was taken to…”
filed Dec 19, 2025
“Recently this vehicle was parked on a slight incline and after the emergency brake was applied the vehicle began to roll. This model vehicle does not have a park position for the transmission lever. Not sure why this vehicle does not have a park position because when this emergency brake failed…”
filed Jan 14, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other Promaster years
| Year | Reports | Share |
|---|---|---|
| 2023 Promaster | 3 | 4% |
| 2022 Promaster | 7 | 12% |
| 2021 Promaster | 8 | 8% |
| 2020 Promaster | 1 | 3% |
| 2019 Promaster | 5 | 9% |
| 2018 Promaster | 3 | 8% |
| 2017 Promaster | 5 | 9% |
| 2016 Promaster | 3 | 10% |
| 2014 Promaster | 14 | 20% |
Other reported problem areas on the 2015 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.