2021 RAM Promaster power train problems
12 owner complaints filed with NHTSA name the power train on the 2021 RAM Promaster — 11% of all complaints for this model year.
What owners report
“Vehicle experienced severe, premature component failures posing direct safety hazards while operating a commercial work van: 1. Parking Brake Seizure (01/25/2025 @ 49,197 miles): The parking brake pivot assembly completely seized, causing the rear brake assembly to lock up and rendering the vehicle…”
filed Jul 27, 2026
“While driving, the vehicle experienced a sudden and complete loss of motive power without warning. The driver coasted off the road into a swale and required a tow to an authorized RAM dealer, December 9 2025 to CDJR of Tampa Bay, Tampa FL. The dealer initially indicated the failure was covered…”
filed May 21, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Park pawl may not fully engage the park gear due to debris inside the transmissionCampaign 23V301000 · Apr 27, 2023
Power Train problems in other Promaster years
| Year | Reports | Share |
|---|---|---|
| 2023 Promaster | 4 | 5% |
| 2020 Promaster | 10 | 25% |
| 2019 Promaster | 23 | 41% |
| 2018 Promaster | 7 | 19% |
| 2017 Promaster | 14 | 25% |
| 2016 Promaster | 8 | 26% |
| 2015 Promaster | 12 | 20% |
| 2014 Promaster | 14 | 20% |
Other reported problem areas on the 2021 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.