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Engine coolingPart report

2019 Ram 2500 Engine cooling Problems

Complaints
2about this part
Share
1%of 193 total for the year
Median mileage
95,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2019 Ram 2500, 1% of the 193 complaints for this model year. Where a mileage was given, the median is 95,000 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 2019 Ram 2500. The contact stated that while driving at 50 MPH, there was blue and white smoke coming from the engine compartment. The vehicle was taken back to the residence. The contact saw a cloud of smoke coming from the engine compartment. The contact waited to see where the smoke was coming from and attempted to start however, the vehicle failed to start. The vehicle was then towed to an independent mechanic, where it was diagnosed, and it was determined that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired. …”

NHTSA complaint #11712421, filed 2026-01, 110,000 miles

“The contact owns a 2019 Ram 2500. The contact stated that while driving at an undisclosed speed, there was an abnormal burning odor inside the vehicle. The contact assumed that the odor was coming from the AC and turned off the AC. No warning light was illuminated. The contact parked and turned off the vehicle at the residence. Later that night, the contact heard a loud bang coming from the vehicle. The next morning, the contact and her friend looked under the hood and discovered that the fuse box, harness, and cables were all melted. The contact used electrical tape to separate the cables. …”

NHTSA complaint #11734321, filed 2026-04, 80,000 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 2019 Ram 2500

Fuel system
63 complaints
Engine
32 complaints
Electrical system
29 complaints
Transmission and drivetrain
29 complaints
Other or unknown
25 complaints
Body and structure
25 complaints
Brakes
16 complaints
Steering
11 complaints
Vehicle speed control
8 complaints
Air bags
7 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Seat belts
4 complaints

← All problems reported for the 2019 Ram 2500

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