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EnginePart report

2012 Chevrolet Silverado 3500 Engine Problems

Complaints
4about this part
Share
17%of 23 total for the year
Median mileage
29,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine of the 2012 Chevrolet Silverado 3500, 17% of the 23 complaints for this model year. Where a mileage was given, the median is 29,000 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.

“2012 silverado 3500hd with dealer installed dejana rugby dump body the dump body hoist makes contact with the electronic trailer brake/body control module eventually cracking open or damaging the top of the module and allowing moisture/water inside damaging the module. This causes a no start condition and or erratic gauges, door locks, ABS & brake lights to come on, drivability issues truck can go into a limp mode with no shifting etc. Test equipment shows no communication to ECM errors and drivetrain- problem will occur while driving. …”

NHTSA complaint #10853794, filed 2016-04, 29,000 miles

“Our diesel fuel pump failed unexpectedly and without any notice while pulling a fifth wheel camper on a state highway in Ohio. The engine stopped completely (we were coasting within seconds). We were in a one-lane construction zone, and had it not been for a paved median, I would have been unable to pull off in this construction zone. Fortunately, I had enough momentum to get off the road and was able to exert enough pressure on the brakes manually to stop. In reading about this issue, it is clear that there are known problems with this fuel pump. …”

NHTSA complaint #11473264, filed 2022-07

“The contact owns a 2012 Chevrolet SILVERADO 3500. The contact stated that when the heater was activated, the exhaust fumes would enter the cabin of the vehicle. The vehicle was taken to the dealer for inspection where they advised that the down tube failed and needed to be replaced. The vehicle was not repaired and the odor was still present in the vehicle. The manufacturer was not notified. The failure mileage was 20,000.”

NHTSA complaint #10484840, filed 2012-11, 20,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2025217%
202436%
2023425%
2022311%
202137%
2020614%
2019418%
2018632%
2017215%
2016510%
2015815%
2014110%
2013415%
2012417%
2011414%
2009110%
200826%
200738%
200636%
200425%
200325%
200224%
2001710%
200011%
199912%
199811%

Other parts of the 2012 Chevrolet Silverado 3500

Fuel system
6 complaints
Tires
6 complaints
Air bags
4 complaints
Steering
3 complaints
Electrical system
2 complaints
Brakes
1 complaints
Electronic stability control
1 complaints
Other or unknown
1 complaints
Body and structure
1 complaints
Transmission and drivetrain
1 complaints
Wheels
1 complaints

← All problems reported for the 2012 Chevrolet Silverado 3500

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