1999 Pontiac Grand Prix Other or unknown Problems
- Complaints
- 9about this part
- Share
- 2%of 412 total for the year
- Median mileage
- 49,100miles
- 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 Pontiac Grand Prix, 2% of the 412 complaints for this model year. Where a mileage was given, the median is 49,100 miles. 3 a fire, 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.
“1999 Pontiac gtp caught fire ,these cars should be pulled off the road. Gm does not want to do any thing, so I will report to the media and any other way I thanks mike t, for the safety of the other drivers. My 1999 Pontiac caught fire these cars should be pulled off the road can you help me.”
NHTSA complaint #10222178, filed 2008-03, 98,000 miles“My airconditioner fan switch has now gone once again and is in need of "another new one, this will be 3. The paint on my hood is starting to crack a bit and will be peeling shortly. This car was very well maintained and garaged and there was no reason for this! The power windows went about 3 diferant times on both sides of the vehicle and the switches had to be fully replaced. The radio has a short in it in the back somewhere and the display goes crazy at times. Lastly and most importantly, I have had a water leak on this car since 1999. …”
NHTSA complaint #10069913, filed 2004-01, 200 miles“The cars headlights will randomly shut off or only high beams will work, the 3800 motor has many issues with parts malfunctioning over and over no matter what manufacturer that's used to supply the parts oem or aftermarket, I've replaced many maf, tps, iac, cps sensors over the brief amount of time owning pretty much any vehicle equipped with the 3800 series ii v6, gauge clusters randomly stop working but that a known GM issue for multiple vehicles for several years, coolant corossian and internal rust from dex cool coolant”
NHTSA complaint #10944406, filed 2017-01“While driving under 30mph engine check light came on as vehicle started to accelerate. Engine started to sputter and misfire, causing consumer to take vehicle back home. Vehicle would not restart due to engine locking up, and causing starter to completely fail. Dealer determined that intake manifold cracked. Please provide more information.”
NHTSA complaint #8010859, filed 2002-05“Vehicle trunk will open and interior instument panel will show trunk ajar while traveling highway speeds and nothing has been prompted to open trunk. Inside insert to trunk, will fall open during sudden stop, even though it is in locked position. Both, immediately distracting the driver to pull over. Possible causing an accident.”
NHTSA complaint #753891, filed 2001-10Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2008 | 4 | 3% |
| 2007 | 7 | 3% |
| 2006 | 9 | 4% |
| 2005 | 8 | 5% |
| 2004 | 25 | 6% |
| 2003 | 2 | 2% |
| 2002 | 9 | 3% |
| 2001 | 8 | 3% |
| 2000 | 13 | 3% |
| 1999 | 9 | 2% |
| 1998 | 14 | 3% |
| 1997 | 19 | 2% |
| 1996 | 4 | 5% |
| 1995 | 4 | 2% |
| 1994 | 4 | 2% |
| 1993 | 3 | 2% |
| 1992 | 5 | 4% |
| 1991 | 8 | 5% |
| 1990 | 3 | 2% |
| 1989 | 3 | 2% |
| 1988 | 2 | 2% |
Other parts of the 1999 Pontiac Grand Prix
152 complaintsSteering
58 complaintsEngine
50 complaintsElectrical system
47 complaintsVisibility (wipers, defrost, mirrors)
31 complaintsTransmission and drivetrain
24 complaintsFuel system
21 complaintsBrakes
19 complaintsAir bags
14 complaintsEquipment
13 complaintsSuspension
10 complaintsWheels
10 complaints
← All problems reported for the 1999 Pontiac Grand Prix
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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