NHTSA — Unknown Or Other Problems


definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
29,375 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Pontiac Bonneville miscellaneous problems

miscellaneous problem

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2003 Pontiac Bonneville Owner Comments

problem #4

Sep 012003


  • miles


Check engine light has been on since 2003, have had 5 different service techs, including dealer look for the problem, no one seems to be able to fix or find the problem.

- Lakemore, OH, USA

problem #3

Mar 082016


  • 30,000 miles
Burnt smell after running car. Serviceman checked and oil was leaking. Need new valve cover gaskets as leaking on manifold will cause a fire.

- Paulding, OH, USA

problem #2

Jun 102014


  • 81,000 miles
My car shuts off while driving. I notice it because power steering is hard to use and RPM's go down to zero and car has shut off. It started up again. This has been a real problem. Dealer tested car and said it was a crankshaft sensor. I replaced the crankshaft sensor and the problem continues. Cam sensor replaced too. This is a safety issue. No one knows why the car shuts off when it wants to. Now the car still shuts off while driving, but also it takes 2 to 3 times to restart. Still trying to figure this out. It is August 2015 and I need this car. Is this a recall issue?

- Oak Creek, WI, USA

problem #1

Aug 142011

Bonneville 6-cyl

  • 6,500 miles
While driving my 2003 Pontiac Bonneville with 6500 miles on it I heard a loud noise which startled my to the point that I thought I had been hit by another car. When I got to my destination I discovered that my rear window had dropped and would not operate. I understand many people have had this same problem GM should have had a recall with this problem as it is a very expensive fix.

- Gilbert, AZ, USA

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