2003 Pontiac BONNEVILLE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
54 owner complaints analyzed
2 distinct recall campaigns
76,515 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 40 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 9 of 54 complaints (16.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Steering behavior | 12 | 22.2% |
| Braking behavior | 6 | 11.1% |
| Electrical and battery issues | 5 | 9.3% |
| Fuel system concerns | 4 | 7.4% |
| Engine operation | 3 | 5.6% |
| Transmission and shifting | 1 | 1.9% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 9 |
| Electrical System | 7 |
| Steering | 7 |
| Power Train | 5 |
| Unknown Or Other | 5 |
| Fuel/Propulsion System | 3 |
| Air Bags:Frontal | 2 |
| Electrical System:Ignition | 2 |
Engine: 9; Electrical System: 7; Steering: 7; Power Train: 5; Unknown Or Other: 5; Fuel/Propulsion System: 3; Air Bags:Frontal: 2; Electrical System:Ignition: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 5 |
| 25,000 to 49,999 | 8 |
| 50,000 to 74,999 | 6 |
| 75,000 to 99,999 | 9 |
| 100,000 to 149,999 | 8 |
| 150,000 and above | 4 |
Under 25,000: 5; 25,000 to 49,999: 8; 50,000 to 74,999: 6; 75,000 to 99,999: 9; 100,000 to 149,999: 8; 150,000 and above: 4
75,000 to 99,999 miles has the most reports with usable mileage (9). 14 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2002 | 1 |
| 2003 | 5 |
| 2004 | 3 |
| 2006 | 4 |
| 2007 | 3 |
| 2008 | 3 |
| 2009 | 8 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 2 |
| 2014 | 9 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2026 | 1 |
2002: 1; 2003: 5; 2004: 3; 2006: 4; 2007: 3; 2008: 3; 2009: 8; 2010: 3; 2011: 2; 2012: 2; 2014: 9; 2015: 4; 2016: 3; 2017: 1; 2018: 1; 2020: 1; 2026: 1
Pattern summary
Engine leads the component reports. Steering behavior appears in 12 complaint narratives. Braking behavior appears in 6 complaint narratives. Electrical and battery issues appears in 5 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10146743 · 2006-01-03 (January 3, 2006)
DT*: THE CONTACT STATED WHILE DRIVING SLOWLY ON A SIDE STREET THE VEHICLE BECAME HARD TO STEER AND A NOISE CAME FROM THE RACK AND PINION AREA. THERE WERE NO WARNING INDICATORS PRIOR TO THE DIFFICULT STEERING OR NOISE. THE CONTACT INSPECTED THE VEHICLE, AND DETERMINED POWER STEERING FLUID SEEPING FROM THE RACK AND PINION. THE VEHICLE WAS IMMEDIATELY TAKEN TO THE SERVICE DEALER FOR INSPECTIONS. THE DEALER DETERMINED THE SEEPAGE WAS NORMAL. *AK
Owner-reported narrative. 10,000 miles reported. Look up ODI 10146743 at NHTSA ↗
Owner report 10164746 · 2006-07-25 (July 25, 2006)
2003 BONNEVILLE MADE A CLUNKING NOISE IN THE STEERING. MECHANIC REPLACED THE INTERMEDIATE STEERING SHAFT. PROBLEM HAS RECURRED. *KB THE CONSUMER WAS INFORMED IT WAS A NORMAL FIX, THAT WILL CONTINUE TO OCCUR.*JB
Owner-reported narrative. Look up ODI 10164746 at NHTSA ↗
Owner report 10026786 · 2003-08-15 (August 15, 2003)
WHEN THE SHIFTER WAS IN THE PARK POSITION AND THE KEY WAS TURNED TO THE ACC POSITION, THE SHIFTER COULD BE MOVED OUT OF PARK ALTHOUGH THE DRIVERS FOOT WAS NOT PRESSING THE BRAKE PEDAL. THE CONSUMER WAS INFORMED THAT THE VEHICLE WAS DESIGNED THIS WAY.*AK *SCC *NLM
Owner-reported narrative. 300 miles reported. Look up ODI 10026786 at NHTSA ↗
Owner report 10026992 · 2003-08-07 (August 7, 2003)
THE CONSUMER DISCOVERED HE WAS ABLE TO SHIFT THE GEAR FROM PARK TO NEUTRAL OR DRIVE WITHOUT HIS FOOT BEING APPLIED TO THE BRAKE. THE DEALER WAS NOTIFIED. *AK WHEN THE KEY POSITION WAS IN THE ACCELERATOR POSITION WITHOUT THE CONSUMERS FOOT ON THE BRAKE, THE VEHICLE ROLLED OUT OF THE PARKING SPOT. (ESPECIALLY ON A HILL) *SCC
Owner-reported narrative. Look up ODI 10026992 at NHTSA ↗
Owner report 10033928 · 2003-08-11 (August 11, 2003)
VEHICLE SPEAKER LOCATED ON THE REAR DECK CAUGHT ON FIRE. *MR SHORTLY AFTER PURCHASE, WHILE THE VEHICLE WAS BEING OPERATED, THE SPEAKER ON THE REAR DECK CAUGHT FIRE. THE SERVICE DEALER STATED THE PROBLEM WAS DUE TO THE ELECTRICAL SYSTEM AND SUGGESTED THE REMOVAL OF ALL NON-ESSENTIAL FUSES AND ELECTRICAL CONNECTIONS IMMEDIATELY. (WHICH WAS COMPLETED BY THE SERVICE DEALER) THE SERVICE DEALER THEN SUGGESTED THE VEHICLE HAD A DEFECT AND TO RETURN IT TO THE SELLING DEALER. THE SELLING DEALER REFUSED TO AFFIRMATIVELY IDENTIFY THE SPECIFIC CAU…
Owner-reported narrative. Look up ODI 10033928 at NHTSA ↗
Owner report 10272564 · 2009-06-01 (June 1, 2009)
I HAVE A 2003 PONTIAC BONNEVILLE. THE BLOWER MOTOR HAD INTERMITTENT PROBLEMS BEFORE GOING OUT. I TOOK THE VEHICLE TO THE LOCAL DEALER WHO STATED THAT THE WIRING HARNESS CONNECTED TO THE BLOWER MOTOR FOR THE HEAT/AC HAD MELTED AND REQUIRED REPLACING. I WAS LUCKY THE CAR DIDN'T CATCH ON FIRE! THIS IS A VERY EXPENSIVE REPAIR. A VERY QUICK SEARCH ON THE INTERNET REVEALED THAT THIS IS A COMMON PROBLEM NOT ONLY WITH PONTIAC BUT MANY GM CARS AND TRUCKS. SOUNDS LIKE GM HAS INSTALLED INADEQUATE WIRING AND ALL VEHICLES WITH THIS SUBSTANDARD WIRING SHO…
Owner-reported narrative. Look up ODI 10272564 at NHTSA ↗
Owner report 10281287 · 2009-08-21 (August 21, 2009)
2003 PONTIAC BONNEVILLE SSEI ACDELCO BATTERY LEAKING ACID ONTO FLOOR PAN, EATING THROUGH THE FLOOR OF VEHICLE. I PURCHASED THE VEHICLE USED ON 8/7/2009. LOOKED FOR THE BATTERY ON 8/12/2009 AND NOTICED A SMELL IN THE BACK SEAT. THE BATTERY IS UNDER THE REAR SEAT. THE BATTERY WAS LEAKING ACID ALL OVER THE FLOORS, SHEET METAL AND SEAT CUSHION. THE ACID OPENED A 4" DIA HOLE SO FAR WHILE THE RUST AND ACID ARE CONSUMING THE ENTIRE WIDTH OF THE BATTERY. I HAVE READ OTHER PEOPLE HAVING THE SAME PROBLEM. THIS IS A HUGE SAFETY CONCERN FOR A FEW R…
Owner-reported narrative. 57,420 miles reported. Look up ODI 10281287 at NHTSA ↗
Owner report 10357368 · 2010-09-24 (September 24, 2010)
TL* THE CONTACT OWNS A 2003 PONTIAC BONNEVILLE. THE CONTACT STATED THAT SHE NOTICED AN OVERPOWERING FUEL ODOR AS THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A REPAIR FACILITY WHERE THE CONTACT WAS INFORMED THAT THE FUEL TANK AND CATALYTIC CONVERTER WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT CALLED THE MANUFACTURER WHO EXPLAINED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 03V238000 (FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY). THE CURRENT AND FAILURE MILEAGE WAS APPROXIMATELY…
Owner-reported narrative. 90,000 miles reported. Look up ODI 10357368 at NHTSA ↗
Owner report 10216591 · 2008-01-31 (January 31, 2008)
TL*THE CONTACT OWNS A 2003 PONTIAC BONNEVILLE. WHILE DRIVING 65 MPH, THE ENGINE STALLED AND ALL THE WARNING INDICATOR LIGHTS ILLUMINATED. THE VEHICLE WOULD NOT RESTART. THE REPAIR SHOP STATED THAT THE FAILURE WAS CAUSED BY A SPUN BEARING AND A BLOWN ROD. THE ENGINE WAS REPLACED. THE CURRENT AND FAILURE MILEAGES WERE 90,000. UPDATED 03-04-08 *BF THE VEHICLE HAD A COOLANT LEAK FROM THE INTAKE. AFTER THE REPAIR WAS MADE, THE ENGINE BLEW OUT A ROD.
Owner-reported narrative. 90,000 miles reported. Look up ODI 10216591 at NHTSA ↗
Owner report 10474028 · 2012-09-06 (September 6, 2012)
ACTED LIKE IT WAS RUNNING OUT OF GAS, LOSS OF POWER AND SPEED. ONLY 50MPH WHEN A BOOM IN THE ENGINE, PULLED OVER POPPED THE HOOD LATCH, SAW SMOKE, EXITED CAR AS FLAMES CAME OUT OF THE HOOD. CALLED 911.. CAR BURNT TO THE GROUND. WITNESS STOPPED AND TOLD ME THAT THERE IS A PROBLEM WITH FAULTY FUEL LINES . *TR
Owner-reported narrative. 229,000 miles reported. Look up ODI 10474028 at NHTSA ↗
Owner report 11750406 · 2026-07-14 (July 14, 2026)
Look at the car the car is located [XXX] first of all you start off as a passcode 2 system and then it says passcode 3 system on the thing and I just don't want to deal with this because you have the cut off switch you have the fuel cut off switch but you still have current going through the switch or the fuel they fuel I'll probably leaking into the tank it doesn't start but still sending fuel the oil has excessive amount of liquid in it so does transmission I bought it used the guy goes you know I lost the key go in and remove it I started wi…
Owner-reported narrative. Look up ODI 11750406 at NHTSA ↗