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Vehicle speed controlPart report

2021 Chevrolet Silverado 2500 Vehicle speed control Problems

Complaints
2about this part
Share
2%of 89 total for the year
Median mileage
100,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the vehicle speed control of the 2021 Chevrolet Silverado 2500, 2% of the 89 complaints for this model year. Where a mileage was given, the median is 100,000 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.

“I own a 2021 Chevrolet Silverado 2500HD Duramax diesel with approximately 100,300 miles. The truck began displaying a “Service Emissions System” warning and a countdown message that in a certain number of miles the vehicle will be limited in speed (for example to 65 mph). …”

NHTSA complaint #11700011, filed 2025-11

“The contact owns a 2021 Chevrolet Silverado 2500. The contact stated that while slowing down and coming to a stop, the accelerator pedal was depressed while in drive; however, the vehicle started to roll backwards. The contact depressed the brake pedal to prevent the vehicle from rolling backwards, and the RPM became elevated to 5,000 RPM. The contact immediately turned off the vehicle to prevent the RPM from continuing to increase. The vehicle was shifted to park, restarted, and then shifted to drive(D) and the brakes released. While releasing the brake pedal, the failure reoccurred. …”

NHTSA complaint #11698898, filed 2025-11, 100,000 miles

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
202513%
202432%
202312%
202122%
202044%
201923%
201812%
201611%
201521%
201413%
201312%
201212%
201155%
200947%
200811%
200731%
200632%
200552%
200462%
2003153%
200231%
200172%
199934%
199811%
199712%

Other parts of the 2021 Chevrolet Silverado 2500

Transmission and drivetrain
30 complaints
Electrical system
17 complaints
Brakes
12 complaints
Fuel system
9 complaints
Engine
8 complaints
Latches, locks and linkages
8 complaints
Other or unknown
7 complaints
Body and structure
4 complaints
Forward collision avoidance
3 complaints
Air bags
2 complaints
Back-over prevention (rear camera)
2 complaints
Exterior lighting
2 complaints

← All problems reported for the 2021 Chevrolet Silverado 2500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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