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Transmission and drivetrainPart report

1999 GMC Sierra 2500 Transmission and drivetrain Problems

Complaints
1about this part
Share
3%of 36 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the transmission and drivetrain of the 1999 GMC Sierra 2500, 3% of the 36 complaints for this model year. 1 of these say a crash was involved, according to the filers.

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 automatic 4 wheel drive acted erratically causing the back end to become loose and resulting in the consumer loosing control of vehicle, skided off road and hit 2 fence posts. Nlm”

NHTSA complaint #550889, filed 2000-02

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
202617%
2025311%
20242725%
20232061%
2022716%
20211325%
20202531%
201926%
201839%
2017616%
201612%
201589%
2014310%
2013511%
2012413%
2011610%
200835%
200722%
20061218%
200576%
200496%
2003138%
20021410%
200164%
200012%
199913%
1998320%

Other parts of the 1999 GMC Sierra 2500

Brakes
22 complaints
Suspension
3 complaints
Tires
3 complaints
Electrical system
2 complaints
Exterior lighting
2 complaints
Fuel system
2 complaints
Steering
2 complaints
Air bags
1 complaints
Latches, locks and linkages
1 complaints
Body and structure
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 1999 GMC Sierra 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