1999 GMC Sierra Other or unknown Problems
- Complaints
- 9about this part
- Share
- 2%of 600 total for the year
- Median mileage
- 79,650miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the other or unknown of the 1999 GMC Sierra, 2% of the 600 complaints for this model year. Where a mileage was given, the median is 79,650 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.
“Was coming up to a stop sign,applied the brake was almost to a stop then the brakes failed for a couple of seconds and I rolled through the stop sign into the intersection!! This was going on all the time when the brakes were being applied and the vehicle was almost to a stop around 10 MPH. I talked to a garage and they said it was the ABS brakes so I removed the ABS fuse from the vehicle and the problem stopped I just don't have ABS brakes.”
NHTSA complaint #10121056, filed 2005-05, 85,300 miles“The right (passenger) side window will not go up. I had lowered the window partially for ventilation but when I tried to raise the window, it did not move and you could hear the cable binding inside the door.”
NHTSA complaint #10003160, filed 2003-01, 32,550 miles“Structural cross member between frame rails just above rear wheels rusted away leaving rt rear shock unattached.....further investigation this week by body shop will determine amounts of rust to left side and possible danger by unsupported gas tank?”
NHTSA complaint #10399005, filed 2011-05, 96,450 miles“Dt: consumer states that the spare tire fell out from under the vehicle. The spare had only been removed once from the vehicle. This happened about one week after the consumer purchased the vehicle. The round ball that holds the tire onto the truck broke. When the consumer noticed the problem the tire was bouncing about twenty feet in the air.”
NHTSA complaint #10127537, filed 2005-08“The cable on the undercarriage spare tire broke causing the spare tire to fall. The tire started bounce and almost went through the windshield of the vehicle behind me. General motors was notified of this.”
NHTSA complaint #10165127, filed 2006-08Related service bulletins
- 10017191Oct 28, 2005Supplement to bulletin 99-06-04-047a for fuel system cleaning.
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2017 | 3 | 5% |
| 2016 | 1 | 17% |
| 2015 | 3 | 6% |
| 2014 | 2 | 2% |
| 2013 | 3 | 8% |
| 2012 | 3 | 10% |
| 2011 | 11 | 26% |
| 2010 | 6 | 18% |
| 2009 | 3 | 8% |
| 2008 | 3 | 4% |
| 2007 | 6 | 10% |
| 2006 | 1 | 2% |
| 2005 | 2 | 2% |
| 2004 | 2 | 1% |
| 2003 | 4 | 2% |
| 2002 | 4 | 2% |
| 2001 | 3 | 1% |
| 2000 | 6 | 1% |
| 1999 | 9 | 2% |
| 1998 | 9 | 5% |
| 1997 | 6 | 3% |
| 1996 | 4 | 2% |
| 1995 | 4 | 2% |
| 1993 | 6 | 8% |
| 1992 | 1 | 3% |
| 1991 | 1 | 8% |
Other parts of the 1999 GMC Sierra
338 complaintsSuspension
39 complaintsVehicle speed control
39 complaintsTransmission and drivetrain
37 complaintsTires
31 complaintsBody and structure
30 complaintsFuel system
26 complaintsSeats
23 complaintsSteering
18 complaintsVisibility (wipers, defrost, mirrors)
18 complaintsEngine cooling
17 complaintsSeat belts
15 complaints
← All problems reported for the 1999 GMC Sierra
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