1999 GMC Passenger Vehicle Other or unknown Problems
- Complaints
- 1about this part
- Share
- 8%of 13 total for the year
- Median mileage
- 74,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the other or unknown of the 1999 GMC Passenger Vehicle, 8% of the 13 complaints for this model year. Where a mileage was given, the median is 74,000 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.
“While unloading the bed of my 99gmc sierra both tailgate support cables broke causing the tailgate to hit the bumper, and I dropped the supplies I was unloading in an effort to catch the tailgate”
NHTSA complaint #10058930, filed 2004-02, 74,000 milesOther or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 1999 | 1 | 8% |
Other parts of the 1999 GMC Passenger Vehicle
4 complaintsBrakes
2 complaintsSuspension
2 complaintsFuel system
1 complaintsSeats
1 complaintsTires
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaintsWheels
1 complaints
← All problems reported for the 1999 GMC Passenger Vehicle
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