There are 1 owner-reported brakes complaints for the 2020 Ram ProMasterin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2020 Ram 3500. The contact stated that while driving about 70 mph there was a thumping noise originating from the rear passenger side. The vehicle was veered to the side of the road and inspected. On another occasion when the vehicle was reversing a crunching sound was heard emanating from the rear passenger side. The vehicle was towed to a dealer where the emergency brake was replaced. The manufacturer was notified of the failure. The failure mileage was 20,940.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026