2021 Ram Promaster Engine Problems
- Complaints
- 6about this part
- Share
- 5%of 111 total for the year
- Median mileage
- 72,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine of the 2021 Ram Promaster, 5% of the 111 complaints for this model year. Where a mileage was given, the median is 72,000 miles. 2 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The specific issue you are dealing with is Chrysler Recall 67C (NHTSA Campaign 25V720). This recall impacts nearly 300,000 Ram ProMaster vans (model years 2018–2026) due to an overheating radiator cooling fan circuit that poses a significant vehicle fire risk. More than 200 of these are from the VA. Edwards Auto Group In Council Bluffs, IA is trying to make the Veterans Health Administration pay labor for a safety recall that is stated above. I am reporting them because it is a safety recall and we should not have to pay for extra cost such as a 2x4. Please see below. …”
NHTSA complaint #11752567, filed 2026-07“While driving on a straight highway, no wind, no weather, 65 mph, both hands on wheel, the van started revving and lost power. I pulled over with engine still running. There were no codes or warning light. I tried to drive again. It continued to rev and not get up to speed. I pulled over again and shut it down. I waited a few minutes and then started it. When pulling back on freeway it ran normal with no more issues for another 700 miles. I took it in to the Dodge dealer on 1-13-23 to have it checked. They couldn't find anything. …”
NHTSA complaint #11502719, filed 2023-01“The contact owned a 2021 Ram Promaster 1500. The contact had stopped at a house that the contact worked on and parked the vehicle on the side of the house. The contact turned off the engine and entered the house, and after twenty minutes, when the contact stepped outside, the vehicle was engulfed in flames. The flames spread to the house and caused damage to the property. Some of the paint melted; the garage door, driveway, side door, and some of the landscape were damaged. The fire department was called and extinguished the fire. No police report was filed. …”
NHTSA complaint #11721779, filed 2026-03, 64,000 miles“The contact owned a 2021 Ram 3500 Promaster. The contact stated one of his employees was driving at 40 MPH, when a burning odor was emitted from the vehicle. Smoke was emitting from under the hood and entered the vehicle through the A/C vents. The driver exited the vehicle. The driver did not sustain any injuries. None of the air bags deployed. It was unknown if any warning lights were illuminated. A police report was filed. The vehicle was consumed by the fire and destroyed. The vehicle was towed to a towing yard. The origin of the fire was the engine. …”
NHTSA complaint #11653688, filed 2025-04, 80,000 milesRelated service bulletins
- 11029764Feb 23, 2026WATER PUMP
- 11029763Feb 23, 2026WATER PUMP
- 11027843Jan 21, 2026D-25-17 Rev. A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements
- 11027842Jan 21, 2026ID-25-14 Rev. A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements
- 11027837Jan 21, 2026Water Pump & Chain Case Cover
- 11027836Jan 21, 2026Water Pump & Chain Case Cover
- 11027731Jan 13, 2026Starter - engine
- 11027654Jan 8, 2026Starter - engine
- 11025028Oct 21, 2025Engine Oil Leak
- 11023631Sep 24, 2025D-25-17 ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and Rocker Arm Replacements
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 50% |
| 2024 | 3 | 27% |
| 2023 | 10 | 11% |
| 2022 | 8 | 12% |
| 2021 | 6 | 5% |
| 2020 | 4 | 10% |
| 2019 | 10 | 17% |
| 2018 | 11 | 29% |
| 2017 | 19 | 33% |
| 2016 | 12 | 36% |
| 2015 | 16 | 26% |
| 2014 | 13 | 18% |
Other parts of the 2021 Ram Promaster
24 complaintsOther or unknown
21 complaintsElectrical system
19 complaintsLane departure
14 complaintsTransmission and drivetrain
13 complaintsBrakes
8 complaintsEngine cooling
7 complaintsWheels
7 complaintsSeat belts
6 complaintsEquipment
5 complaintsFuel system
5 complaintsSteering
4 complaints
← All problems reported for the 2021 Ram Promaster
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology