If you are checking a used Pontiac Bonneville, this hub is the starting point. It is built to gather the practical questions a buyer or owner actually has: what usually goes wrong, which year windows deserve caution, what warning signs matter, and what to check before money changes hands.
The Pontiac Bonneville is tracked here as a large sedan coverage hub. This page is a researched coverage page, not a final reliability verdict. Specific defect claims should come from sourced child pages, not guesswork.
Before buying or ignoring symptoms, verify open recalls by VIN, scan for stored OBD codes, check service history, and use any linked CarFaultIQ fault or symptom pages to decide the next practical step.
Official evidence for this model
Coverage below spans the explicitly mapped model years. Records do not apply to every model year or configuration.
US safety recalls
11 distinct official identifiers · US
Campaigns matched to recorded model years. Only an official VIN check can confirm whether an individual vehicle is affected.
- 09E012000 — model years 1996, 1997, 1998, 1999
SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED…
- 04V090000 — model years 1998, 1999, 2000
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE…
- 03V238000 — model years 2002, 2003
ON CERTAIN CADILLAC DEVILLE AND SEVILLE PASSENGER VEHICLES, FUNERAL COACHES, AND LIMOUSINES EQUIPPED WITH A V8 (4.6L) ENGINE, OLDSMOBILE AURORA PASSENGER VEHICLES EQUIPPED WITH A V8 (4.0L ) ENGINE, AND PONTIAC BONNEVILLE SSEI PASSENGER VEHICLES EQUIPPED WITH A SUPERCHARGED V6 (3.8L) ENGINE, THE FUEL TANK…
Manufacturer communications / TSBs
800 distinct official identifiers · US
Manufacturer service communications are not safety recalls and do not prove that every vehicle has the described condition.
- 11020816 — model years 2001, 2002, 2003, 2004, 2005
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- 11019072 — model years 2005
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
- 11019074 — model years 2005
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
US defect investigations
4 distinct official identifiers · US
An investigation records a regulator review of a suspected defect. It is not automatically a finding or a recall.
- EA07008 — model years 1999, 2000, 2001, 2002
Multiple source assertions are retained for this identifier. Consult the official record for configuration-specific details.
- EA02030 — model years 1996, 1997, 1998, 1999, 2000, 2001, 2002
EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN…
- PE02050 — model years 1996, 1997, 1998, 1999, 2000
Canadian recalls
11 distinct official identifiers · CA
Canadian-market records remain separate from US campaigns. Confirm applicability with Transport Canada and the manufacturer.
- 2003283 — model years 1998, 1999, 2000
On certain vehicles, a combination of a low battery condition and fuel in the upper intake manifold while the ignition key is activated at engine start could cause an elevated rate of manifold over-pressurization events. The operator may experience a loud bang / intake backfire…
- 2003165 — model years 2002, 2003
On certain Aurora, Bonneville SSEi, Devile and STS vehicles, the fuel tank pressure sensor is unusually susceptible to malfunctions causing excessive vacuum to be applied during self-diagnostic testing. Fuel system components can be damaged and fuel can leak from the vehicle when it is refueled.…
- 2002151 — model years 2002, 2003
Multiple source assertions are retained for this identifier. Consult the official record for configuration-specific details.
US owner complaint reports
1,502 distinct reports · US
Distinct ODI complaint identifiers, deduplicated across component and product rows. Reports are allegations, not confirmed defects, failure rates or reliability scores.
- ENGINE AND ENGINE COOLING: 113 reports
- ENGINE AND ENGINE COOLING:ENGINE:GASOLINE: 110 reports
- ENGINE AND ENGINE COOLING:ENGINE: 95 reports
A report can name several components. Do not add component totals together.
Evidence is served from a locally stored official-source snapshot. No external API is called to render this page. These records do not replace inspection or diagnosis. Contains information licensed under the Open Government Licence – Canada.