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Engine coolingPart report

2020 Ram 2500 Engine cooling Problems

Complaints
1about this part
Share
1%of 162 total for the year
Median mileage
300,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2020 Ram 2500, 1% of the 162 complaints for this model year. Where a mileage was given, the median is 300,000 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.

“The contact owns a 2020 Ram 2500. The contact stated that while driving approximately 65 MPH, there was a knocking noise coming from the engine compartment, with the check engine warning light illuminated. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that engine grid heater had overheated, causing damages to the engine. The engine was replaced, and the vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 300,000.”

NHTSA complaint #11613423, filed 2024-09, 300,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202523%
202312%
202253%
202122%
202011%
201921%
201850%
201791%
201673%
201521%
201421%
201353%

Other parts of the 2020 Ram 2500

Fuel system
70 complaints
Engine
33 complaints
Electrical system
20 complaints
Other or unknown
20 complaints
Transmission and drivetrain
20 complaints
Brakes
14 complaints
Body and structure
11 complaints
Steering
10 complaints
Wheels
8 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Seat belts
3 complaints
Air bags
2 complaints

← All problems reported for the 2020 Ram 2500

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