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Engine coolingPart report

2015 Chevrolet Silverado 2500 Engine cooling Problems

Complaints
1about this part
Share
1%of 179 total for the year
Median mileage
280,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2015 Chevrolet Silverado 2500, 1% of the 179 complaints for this model year. Where a mileage was given, the median is 280,000 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 2015 Chevrolet Silverado 2500. The contact stated while driving 70 mph, the vehicle loss motive power and stalled and shifted into reduced power mode. The contact had the vehicle towed to the local dealer who inspected the vehicle and diagnosed the vehicle was a Diesel Exhaust Fluid build-up which caused an extreme burn in the exhaust fluid. The dealer replaced the DEF system and exhaust lines to fix the vehicle however, the failure persisted. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 280,000.”

NHTSA complaint #11424641, filed 2021-07, 280,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202312%
202233%
202044%
201934%
201812%
201511%
201111%
200912%
200853%
2007136%
2006127%
2005166%
2004236%
2003164%
20024312%
20017820%
2000118%
199934%
199823%
1997711%

Other parts of the 2015 Chevrolet Silverado 2500

Electrical system
58 complaints
Brakes
37 complaints
Other or unknown
22 complaints
Transmission and drivetrain
20 complaints
Fuel system
19 complaints
Air bags
17 complaints
Steering
17 complaints
Engine
12 complaints
Exterior lighting
9 complaints
Visibility (wipers, defrost, mirrors)
9 complaints
Seat belts
7 complaints
Body and structure
6 complaints

← All problems reported for the 2015 Chevrolet Silverado 2500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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