2021 Ram Promaster Engine cooling Problems
- Complaints
- 7about this part
- Share
- 6%of 111 total for the year
- Median mileage
- 59,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the engine cooling of the 2021 Ram Promaster, 6% of the 111 complaints for this model year. Where a mileage was given, the median is 59,000 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 2021 Ram Promaster 3500. The contact received notification of NHTSA Campaign Number: 25V552000 (Back Over Prevention). The contact stated that the camera had stopped operating in 2024. Additionally, the contact had stopped driving the vehicle due to a recent recall letter received for NHTSA Campaign Number: 25V720000 (Engine and Engine Cooling). The contact made several calls to the local dealer but was advised that the parts for the recall repairs were not yet available. …”
NHTSA complaint #11709065, filed 2026-01, 59,000 miles“The contact owns a 2021 Ram Promaster 2500. 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 not yet available. The contact stated while shifted in reverse(R), the rearview camera failed to display a clear image of the rear of the vehicle. 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 failure. …”
NHTSA complaint #11720719, filed 2026-02, 100,000 miles“The contact owns a 2021 Ram Promaster 1500. The contact received notifications of NHTSA Campaign Number: 25V552000 (Back Over Prevention) and 25V720000 (Engine and Engine Cooling); however, the parts for the recall repairs were unavailable. The dealer was contacted, and the contact was informed that parts were not yet available. The manufacturer was contacted, and the contact was informed that parts were not yet available. The contact had not experienced a failure.”
NHTSA complaint #11745891, filed 2026-06“The contact owns a 2021 Ram Promaster 1500. The contact received notifications of NHTSA Campaign Numbers: 25V720000 (Engine and Engine Cooling) and 25V552000 (Back Over Prevention); however, the parts to do the recall repairs were 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 #11708825, filed 2026-01“The contact owns a 2021 Ram Promaster 3500. The contact received notifications of NHTSA Campaign Number: 25V552000 (Back Over Prevention) and 25V720000 (Engine and Engine Cooling); however, parts for the recall repairs were not yet available. The dealer was contacted, and the contact was informed that parts were not yet available. The manufacturer was contacted, but provided no assistance. The contact was informed that the recalls were not associated with the VIN. The contact had not experienced a failure.”
NHTSA complaint #11723604, filed 2026-03Related 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 2021 Ram Promaster
24 complaintsOther or unknown
21 complaintsElectrical system
19 complaintsLane departure
14 complaintsTransmission and drivetrain
13 complaintsBrakes
8 complaintsWheels
7 complaintsEngine
6 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 28, 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