Problems · NHTSA complaints
2002 Pontiac Bonneville problems
Owners filed 98 complaints about the 2002 Pontiac Bonneville with NHTSA between Mar 2002 and Jul 2026. The most-cited component is steering (19).
Complaints
98
Filed with NHTSA
Crashes
5
Reported by owners
Fires
3
Reported by owners
Injuries
4
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Steering19
- Visibility14
- Electrical system12
- Engine and engine cooling12
- Power train7
- Air bags6
- Exterior lighting6
- Suspension6
- Structure5
- Seats5
- Engine4
- Service brakes, hydraulic3
- Fuel system, gasoline3
- Tires3
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
7
6
22
13
7
18
3
3
3
2
0
1
8
1
2
0
0
1
0
0
0
0
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2002 | 7 |
| 2003 | 6 |
| 2004 | 22 |
| 2005 | 13 |
| 2006 | 7 |
| 2007 | 18 |
| 2008 | 3 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 0 |
| 2013 | 1 |
| 2014 | 8 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Steering
19 reports
“TL* THE CONTACT OWNS A 2002 PONTIAC BONNEVILLE. THE CONTACT WAS DRIVING 40 MPH WHEN THE STEERING WHEEL BEGAN MAKING A CLUNKING SOUND. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THAT THE STEERING SHAFT WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE AND THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 109,000.”
Visibility
14 reports
“2002 BONNEVILLE: ALL 4 DOORS/WINDOWS HAVE BEEN RE-SEALED MULTIPLE TIMES BECAUSE RAIN WATER FLOWS DOWN THE OUTSIDE OF THE WINDOWS, THEN FLOWS INSIDE THE DOOR, AND THEN FLOWS INTO THE CAR AT THE BOTTOM OF THE CAR DOOR, CAUSING SOAKED CARPETING (PUDDLES) AND MOLD. SUN-ROOF MECHANICAL LINKAGE HAS CRACKED AND BROKEN OFF IN PLACES. I BET I USED THE SUN-ROOF ONLY 10 TIMES BEFORE THIS HAPPENED. SUNROOF NOW CLOSES CROOKED. DEALER COST ESTIMATE TO FIX = $1200. ALL 4 POWER WINDOW UNITS HAVE BEEN REPLACED AND NOW DOORS RATTLE; RIGHT PASSENGER DOOR TRIM FALLS OFF ROUTINELY. WIPER FLUID MOTOR WOULD NOT SHUT OFF. CRUNCHING SOUND WHEN I TURN THE STEERING WHEEL. ALL OF THESE ISSUES STARTED OCCURRING SHORTLY AFTER WARRANTY EXPIRED. *TR”
Electrical system
12 reports1 fire
“CAR WILL RE-START ON ITS OWN AFTER KEY IS REMOVED. AFTER PARKING AND SHUTTING OFF THE CAR, THEN REMOVING THE KEY AND OPENING THE DRIVER'S DOOR TO EXIT: IF YOU ACCIDENTALLY PRESS THE UPPER PART OF THE LOCK BUTTON ON THE DOOR (THE UNLOCK FUNCTION) INSTEAD OF PRESSING THE LOWER PART OF THE LOCK BUTTON (THE LOCK FUNCTION), THE CAR WILL RE-START ITSELF. IT THEN CANNOT BE TURNED OFF BECAUSE THE IGNITION SWITCH IS ALREADY IN THE OFF POSITION. THE ONLY WAY TO SHUT OFF THE ENGINE IS TO JIGGLE THE SHIFTER.”
Engine and engine cooling
12 reports
“WHILE TRAVELING ON THE INTERSTATE HIGHWAY 295 IN NJ MY VEHICLE STALLED. THE STALLED AND ALMOST CAUSED A NEAR FATAL ACCIDENT WITH A SEMI. THE VEHICLE AFTER 20 MINUTES AND NUMEROUS ATTEMPTS THE VEHICLE STARTED BACK UP AND I DECIDED TO TRY AND MAKE IT HOME BY TAKING BACK ROADS AWAY FROM THE INTERSTATE. THE VEHICLE STALLED 4 MORE TIMES BEFORE I COULD GET IT HOME. I WAS VISIBLY SHAKEN UPSET AND SCARED OUT OF MY MIND. *TR”
Power train
7 reports
“1. THE TRANSMISSION ON OUR 2002 PONTIAC BONNEVILLE HAS HAD PROBLEMS SINCE PURCHASE NEW. THE DEALER EVENTUALLY SENT THE CAR TO A LOCAL TRANSMISSION SHOP BUT THE PROBLEM HAS PERSISTED INTERMITTANTLY EVEN AFTER MANY COMPLAINTS. THE TRANSMISSION SLIPS, SHUDDERS ON ACCELERATION AND SHIFTS ERRATICALLY. IT WILL SLIP AND THEN SOMETIMES SHIFT HARD. 2. IT IS VERY DANGEROUS TO DRIVE. THE TRANSMISSION WILL SLIP AND THEN SHUDDER AS WE ARE PULLING INTO TRAFFIC. WE HAVE ALMOST BEEN T-BONED SEVERAL TIMES. IT HAS BEEN GETTING WORSE LATELY AND I FEAR THAT ONE OF THESE TIMES WE WILL BE KILLED BY THIS PROPLEM. I RECENTLY LEARNED THAT GENERAL MOTORS KNEW OF THIS PROBLEM AND ACTUALLY ISSUED A BULLETIN #0O-07-30-002B IN JULY OF 2002. THE DEALER SHOULD HAVE BEEN AWARE OF THIS AS WE REPORTED THE EXACT SYMPTOMS TO THE DEALER SHORTLY AFTER PURCHASE. 3. THE DEALER SENT THE CAR TO A LOCAL TRANSMISSION REPAIR SHOP THAT FLUSHED THE TRANSMISSION AND CHANGED THE FILTER. IT DID NOT SOLVE THE PROBLEM AND ANY CAR WITH THE 4T65E TRANSMISSION POSE A SIGNIFICANT THREAT TO THE OWNERS OF THESE VEHICLES AND TO HIGHWAY SAFETY AS YOU NEVER KNOW WHEN FAILURE WILL OCCUR. EACH OF THE DOZEN OR MORE TIMES WE…”
Air bags
6 reports1 crash1 related recall
“The airbags did not deploy all the way my [XXX] is in the car as well and the driver side and passenger airbags did not deploy 100% it did cause me to end up having a cut on my face and abruzz eye I have pictures but I did not go to the ER but my [XXX] did cuz she had two cuts on her head it also shattered my windshield and something was leaking”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.