2020 Ram Promaster Engine Problems
- Complaints
- 4about this part
- Share
- 10%of 42 total for the year
- Median mileage
- 120,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2020 Ram Promaster, 10% of the 42 complaints for this model year. Where a mileage was given, the median is 120,000 miles.
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.
“On Sept 14 2025 we were driving our Promaster and heard a knocking sound then the vehicle immediately overheated. We had the car towed to a dealership and we were informed we needed a new engine as the fan module had failed causing the vehicle to overheat and ruining the engine. The extended warranty company also denied the claim citing that the fan module had failed. We purchased the vehicle on Sept 10th 2025. …”
NHTSA complaint #11697492, filed 2025-11“The contact owns a 2020 Ram 3500. The contact stated that the vehicle, began to make a loud noise, and misfired. The vehicle was taken to the dealer where it was diagnosed with repaired; however the issue persisted. The vehicle was not taken for repairs again. The manufacturer was notified of the issue. The approximate mileage 120,000.”
NHTSA complaint #11740198, filed 2026-05, 120,000 miles“The vehicle is subject to two active safety recalls issued by the manufacturer, including a recall related to the rear backup camera system. The manufacturer has acknowledged the safety defects, but no remedy has been released for an extended period of time. The backup camera recall affects rear visibility while reversing, which poses a safety risk to the driver, passengers, pedestrians, and nearby vehicles. The backup camera intermittently fails or does not display an image as intended. …”
NHTSA complaint #11714828, filed 2026-02“This van has been at a Dodge dealership shop for the same melted fuse box issues over 6 times and caught on fire last week while driving it back from the dealership to be used.”
NHTSA complaint #11717703, filed 2026-02Related 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 2020 Ram Promaster
11 complaintsTransmission and drivetrain
10 complaintsOther or unknown
9 complaintsElectrical system
8 complaintsEngine cooling
5 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsSteering
3 complaintsSeat belts
2 complaintsAir bags
1 complaintsBrakes
1 complaintsLane departure
1 complaintsSeats
1 complaints
← All problems reported for the 2020 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