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EnginePart report

2016 GMC Sierra 2500 Engine Problems

Complaints
9about this part
Share
15%of 59 total for the year
Median mileage
7,180miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the engine of the 2016 GMC Sierra 2500, 15% of the 59 complaints for this model year. Where a mileage was given, the median is 7,180 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.

“While driving at 45mph in the left lane of a major city thoroughfare the engine quit running, power steering and brakes did not work. The check engine light came on when the engine quit running. I was able to get the vehicle stopped but the engine would not start. The vehicle was towed to the dealership where I was told this issue was reported in arkansas, louisiana and tennessee. The dealership reported that shards of metal were found in the fuel injector and the entire fuel system would have to be completely replaced. Additionally I was told the parts are hard to get. …”

NHTSA complaint #10924403, filed 2016-11, 7,180 miles

“While Pulling 35' 5th Wheel down freeway, a message appeared in instrument panel telling me the fuel filter was at 0 percent and was going into low power mode. There happend to be an offramp there that I was able to get off the freeway. While making the turn on the offramp the truck died. I pulled over as far as i could whie coasting with no power steering or brakes, leaving truck & trailer partially blocking the offramp. Unable to start the vehicle, I Immediatly contacted Onstar and they dispatched the CHP & tow truck. When CHP arrived he asked when tow truck would be there. …”

NHTSA complaint #11493553, filed 2022-11

“The contact owns a 2016 Gmc SIERRA 2500. While driving approximately 15 MPH, the engine stalled without warning. The vehicle was towed to a dealer where it was diagnosed that the fuel injector pump failed and needed to be replaced. The vehicle was repaired. The manufacturer was informed of the failure. The VIN was unknown. The approximate failure mileage was 11,000.”

NHTSA complaint #10937972, filed 2016-12, 11,000 miles

“Vehicle is a Duramax Diesel engine with a CP4 fuel pump. The pump went out and the entire line/system has to be replaced. While driving the vehicle it lurched, made a noise then went to reduced power mode and shut off. Luckily we had just pulled off from a stop sign, if that happened and the speed of 55 it could of been far worse. Then engine would not restart and had to have vehicle towed.”

NHTSA complaint #11533452, filed 2023-07

“Motor stopped dead while driving on a local Interstate Hwy. Was able to negotiate the truck out of traffic without crashing. Not an easy thing to do in speeding rush hour traffic. Had the truck towed to a reputable repair shop and discovered the CP4 fuel pump had failed and shattered throughout the fuel system. Repairs in the amount of $13,520.30 incurred to get the truck back in service. The attached invoice includes $167.87 for other maintenance not related to the CP4 fuel pump repair. This is a known problem and safely hazard. …”

NHTSA complaint #11658680, filed 2025-05

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202618%
2025414%
20241211%
202339%
202249%
2021815%
20201013%
2019619%
2018823%
2017616%
2016915%
201578%
2014310%
201312%
2012310%
201158%
2010110%
200926%
200846%
200711%
200554%
200496%
200364%
200221%
200186%

Other parts of the 2016 GMC Sierra 2500

Steering
14 complaints
Fuel system
12 complaints
Brakes
10 complaints
Electrical system
9 complaints
Other or unknown
7 complaints
Air bags
3 complaints
Tires
3 complaints
Electronic stability control
2 complaints
Exterior lighting
2 complaints
Seat belts
2 complaints
Forward collision avoidance
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2016 GMC Sierra 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