2025 Ram Promaster Engine Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 3 complaints about the engine of the 2025 Ram Promaster, 50% of the 6 complaints for this model year.
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 check-engine light came on my 2nd day of ownership (less than 100 miles driven by me, but 2032 miles on it when purchased new - RV conversion from Entegra Coach through LaMesa RV), on October 5, 2025. After diagnosis at a Ram dealership (Larry Miller Dodge Ram in Tucson AZ), they identified the code was misfire on cylinder 6, which caused low compression, with a root cause of the intake valves being improperly seated during manufacturing. The dealership replaced some cylinder and engine parts, but the issue recurred on Cylinder 4 after driving it about 5000+ miles, on June 13, 2026. …”
NHTSA complaint #11753738, filed 2026-07“Check engine light came on the 2nd day I owned it. The van was converted to an Entegra Ethos Class B RV by Entegra/Jayco, and had over 2000 miles in it when I bought it (New 2026) from La Mesa RV in Tucson AZ on Oct 4, 2025, after they transferred it from the Phoenix La Mesa RV location. After checking the engine light code with an Auto Parts store, it was shown to be an issue with the 6th cylinder. After getting the runaround from 2 Dodge dealers (system down, too busy, no certified tech), I took it to a privately owned garage who diagnosed low compression in the 6th cylinder. …”
NHTSA complaint #11697894, filed 2025-11Related service bulletins
- 11034347Jun 19, 2026No Start, Multiple Warning Lamps on, Relay Clicking Noise
- 11031482Apr 8, 2026Cover - cylinder head
- 11031481Apr 8, 2026Cover - cylinder head
- 11029764Feb 23, 2026WATER PUMP
- 11029763Feb 23, 2026WATER PUMP
- 11027837Jan 21, 2026Water Pump & Chain Case Cover
- 11027836Jan 21, 2026Water Pump & Chain Case Cover
- 11025028Oct 21, 2025Engine Oil Leak
- 11023618Sep 24, 2025Data collection required for all 2020-2026MY vehicles with 3.6L PSU engines during any of their first 3 engine oil changes. This data collection is applicable to all vehicle with…
- 11021043Jul 26, 2025Engine Rattle Noise
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 2025 Ram Promaster
2 complaintsBrakes
1 complaintsElectrical system
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaints
← All problems reported for the 2025 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