2020 Ram Promaster Engine cooling Problems
- Complaints
- 5about this part
- Share
- 12%of 42 total for the year
- Median mileage
- 67,290miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine cooling of the 2020 Ram Promaster, 12% of the 42 complaints for this model year. Where a mileage was given, the median is 67,290 miles. 1 recall campaign on record is filed under a similar system.
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 contact owns a 2020 Ram Promaster 3500. The contact received notifications of NHTSA Campaign Numbers: 25V552000 (Back Over Prevention) and 25V720000 (Engine and Engine Cooling); however, the parts to do the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The contact stated that while in reverse(R), the back over prevention camera failed to properly operate and failed to display an image of the rear of the vehicle. The failure was intermittent. …”
NHTSA complaint #11755901, filed 2026-08, 36,000 miles“The contact owns a 2020 Ram Promaster 2500. The contact stated that while reversing, the rear-view camera screen displayed a pixelated image. In addition, the contact stated that occasionally the rear-view camera screen displayed a white screen. The contact stated that the vehicle was purchased for redesigning into an RV for traveling purposes. In addition, the contact stated that when the vehicle was purchased, the dealer informed the contact about the open recalls. The contact was informed that the parts would be available in December 2025. …”
NHTSA complaint #11709978, filed 2026-01, 65,000 miles“The contact owns a 2020 Ram ProMaster 2500. The contact stated that while the vehicle was parked and turned off, the engine cooling fan continued running. The vehicle was towed to the dealer, where it was diagnosed and determined that the wiring harness, fuse box, and two modules had failed and needed to be replaced. The vehicle was repaired; however, the failure recurred. The contact discovered that the VIN was associated with NHTSA Campaign Numbers: 25V720000 (Engine and Engine Cooling) and 25V552000 (Back Over Prevention) while searching online. …”
NHTSA complaint #11717313, filed 2026-02, 137,000 miles“The contact owns a 2020 Ram Promaster 1500. The contact stated that while his wife was driving at an undisclosed speed, the vehicle jerked, and the transmission downshifted unexpectedly. The check engine warning light illuminated. In addition, while shifted in reverse(R), the vehicle failed to function as intended. The vehicle was taken to the dealer, where it was diagnosed with transmission failure. The contact was informed that parts were not available to repair the vehicle. The vehicle remained at the dealer for over a year and a half. The vehicle was repaired. …”
NHTSA complaint #11716001, filed 2026-02, 69,580 miles“The contact owns a 2020 Ram Promaster. The contact received notification of NHTSA Campaign Number: 25V720000 (Engine And Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.”
NHTSA complaint #11740167, filed 2026-05Related recalls
- 25V720000Oct 23, 2025Chrysler (FCA US, LLC) is recalling certain 2018-2026 Ram ProMaster vehicles. The electrical circuit for the radiator fan may overheat.Covers: Ram Promaster 2018–2026
Related service bulletins
- 10243192Aug 31, 2023Suspected engine coolant leak.
- 10239957May 18, 2023Water Quality When Mixed With Engine Coolant
- 10236933Apr 15, 2023wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
- 10247906Feb 22, 2023ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online…
- 10234379Feb 22, 2023ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online…
- 10234378Feb 14, 2023ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from…
- 10227983Apr 2, 2022If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
- 10229059Mar 17, 2022No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
- 10230199Jul 17, 2021No Crank, No Start, No Fault Codes
- 10221613Jul 17, 2021No Crank, No Start, No Fault Codes
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 15 | 16% |
| 2022 | 2 | 3% |
| 2021 | 7 | 6% |
| 2020 | 5 | 12% |
| 2019 | 7 | 12% |
| 2018 | 1 | 3% |
| 2017 | 4 | 7% |
| 2016 | 1 | 3% |
| 2015 | 3 | 5% |
| 2014 | 1 | 1% |
Other parts of the 2020 Ram Promaster
11 complaintsTransmission and drivetrain
10 complaintsOther or unknown
9 complaintsElectrical system
8 complaintsEngine
4 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