1999 GMC Sonoma Other or unknown Problems
- Complaints
- 3about this part
- Share
- 5%of 57 total for the year
- Median mileage
- 47,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the other or unknown of the 1999 GMC Sonoma, 5% of the 57 complaints for this model year. Where a mileage was given, the median is 47,000 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.
“1999 Gmc Sonoma experienced problems with transmission, cd player, tires and heating coil. Consumer concerned that dealer did not tell them that there was a recall on this vehicle. The transmission was replaced, exchanged rebuilt torque converter with trances filler 12 month or 12,000 mile warranty.”
NHTSA complaint #10118892, filed 2005-04“While the driver was adjusting the seat the handle sheared off. Consumer drove the vehicle to dealer for inspection, and mechanic replaced driver side seat handle. Also, mechanic determined that the passenger side seat handle needed to be replaced . The consumer has had four handles replaced in all.”
NHTSA complaint #10071678, filed 2004-04Other or unknown: other model years
Other parts of the 1999 GMC Sonoma
9 complaintsSeats
8 complaintsBody and structure
8 complaintsTransmission and drivetrain
8 complaintsAir bags
6 complaintsElectrical system
4 complaintsEngine cooling
4 complaintsFuel system
3 complaintsSeat belts
3 complaintsSteering
3 complaintsVehicle speed control
3 complaintsExterior lighting
2 complaints
← All problems reported for the 1999 GMC Sonoma
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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