1999 Pontiac Bonneville problems & reliability
143 owner complaints filed with NHTSA for the 1999 Pontiac Bonneville, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
6 complaints report injuries (6 injured).
Federal crash records (FARS 2020–2023): 1999 Pontiac Bonneville vehicles were involved in 6 fatal crashes with 5 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling | 59 | 41% |
| Electrical System | 22 | 15% |
| Fuel System, Gasoline | 19 | 13% |
| Service Brakes, Hydraulic | 9 | 6% |
| Air Bags | 8 | 6% |
| Power Train | 8 | 6% |
| Visibility | 6 | 4% |
| Tires | 5 | 3% |
| Unknown OR Other | 4 | 3% |
| Vehicle Speed Control | 4 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 70,048 miles (middle 50% between 50,000 and 97,500 miles), based on 60 complaints that included mileage.
Complaints by incident year
What owners report
“' takata recall" driving and the car cut off..after I stop the car and turn the key off. Was able to re start the car. This has happen a few times. This is not a safe thing when driving on the free ways ....I was in motion and on the street. There was a recall on this but was not were of it this was in 2009 now it…”
Electrical System · filed Sep 5, 2016
“Upon accelerating onto the highway, after reaching highway speed, vehicle stalls and would not start. Flooding engine, gasoline coming out of exhaust, engine would not restart. After research and replacing leaking lower intake manifold, this was not my problem there was no leak. After more research I replaced more…”
Fuel/propulsion System · filed Jun 20, 2014
“While stopped on a side street (25 mph zone), the air bags involuntarily deployed. The driver was severely bruised and suffered significant & permanent hearing loss. There are 7 other incident reports filed with the nhtsa for the same event involving a 1999 pontiac bonneville. What does it take for a recall? *tr”
Air Bags · filed May 5, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- ENGINE COMPARTMENT FIRE
Engineering Analysis EA07008 · opened Jun 12, 2007 · closed May 1, 2008 · led to recall 09V116000
- ENGINE COMPARTMENT FIRES
Engineering Analysis EA02030 · opened Oct 22, 2002 · closed Mar 9, 2004 · led to recall 04V090000
- ENGINE COMPARTMENT FIRES
Preliminary Evaluation PE02050 · opened Jun 13, 2002 · closed Oct 22, 2002
- TRANSMISSION SHIFT LEVER SEQUENCE
Recall Query RQ99007 · opened May 26, 1999 · closed Feb 8, 2002 · led to recall 99V089000
Technical service bulletins
60 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1999 Pontiac Bonneville. The 10 most recent:
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17-NA-073 · Service Bulletin/Repair Instructions · issued Feb 21, 2023
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723F · Service Bulletin/Repair Instructions · issued Jan 14, 2022
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723D · Service Bulletin/Repair Instructions · issued Jan 31, 2020
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
19NA273 · Service Bulletin/Repair Instructions · issued Dec 2, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696E · Service Bulletin/Repair Instructions · issued Nov 22, 2019
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17NA073 · Service Bulletin/Repair Instructions · issued Sep 18, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696D · Service Bulletin/Repair Instructions · issued Sep 5, 2019
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17NA073 · Service Bulletin/Repair Instructions · issued Feb 15, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696C · Service Bulletin/Repair Instructions · issued May 31, 2018
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723C · Service Bulletin/Repair Instructions · issued Sep 20, 2017
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 1999 Pontiac Bonneville has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1999 Pontiac Bonneville?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 70,048 miles — budget accordingly if the car is approaching that mileage.