Problems · by component
2000 Pontiac Bonneville electrical system problems
31 owner complaints to NHTSA about the 2000 Pontiac Bonneville cite electrical system, 14% of all 214 complaints for this model year.
Complaints
31
14% of all complaints
Crashes
0
Reported by owners
Fires
7
Reported by owners
Injuries
3
Reported by owners
What owners say about the electrical system
Verbatim from NHTSA complaints, newest first
“I HAVE OWNED THIS CAR FOR A YEAR AND AFTER I GOT IT THE SECURITY SYSTEM LOCKED ME DOWN SO THE CAR WILL NOT START. THE FIRST INCIDENT I WAS DRIVING DOWN THE ROAD AND MY SECURITY LIGHT STARTED FLASHING THEN THE CAR QUIT. I PULLED OVER AS FAST AS I COULD AND PLAYED WITH THE GEAR LEVER AND KEY AND GOT THE CAR RESTARTED. SO AFTER THAT I HAD TO GET A NEW KEY AND HAVE IT PROGRAMED TO THE CAR AND WAS TOLD THAT WILL FIX IT. WELL IT HAPPENED 4 MORE TIMES AFTER THAT BUT AFTER PLAYING WITH THE KEY IT STARTED UP. THEN THE LAST TIME I WAS AT WORK AND AFTER 4 HOURS CAME OUT TO GO HOME IT WOULD NOT START AGAIN. HAD TO HAVE THE CAR TOWED HOME AND NOW IT IS AT THE GM DEALERSHIP BEING REPAIRED. THIS IS NOT THE ONLY CAR THAT HAS DONE THIS FROM WHAT I AM READING THIS IS A COMMON ISSUE WITH ALL GM'S WITH THIS SECURITY SYSTEM. IT LOCKS OUT THE INJECTORS AND STARTER. GUESS WHAT THEY ARE THE ONLY ONES WHO CAN FIX THIS ISSUE BECAUSE THEIR COMPUTERS CAN READ THE COMPUTER. THIS IS A BIG RIP-OFF FOR PRIVATE PEOPLE WHO CANT AFFORD TO HAVE THEIR CAR FIXED AT THE DEALER.”
“TL* THE CONTACT OWNS A 2000 PONTIAC BONNEVILLE. WHILE DRIVING 20 MPH, THE VEHICLE JERKED AND HESITATED TO ACCELERATE. THE CONTACT STATED THAT THE AIR BAG WARNING INDICATOR ILLUMINATED. IN ADDITION, THE TRACTION CONTROL AND THE DRIVER SIDE DOOR ELECTRICAL SWITCH FOR THE LOCKS AND WINDOWS FAILED. THE FAILURES OCCURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 171,000.”
“VARIABLY THE ENGINE STALLS WITHOUT WARNING,RENDERING THE PS BRAKES TO BECOME INOPERABLE, EXTREMELY DANGEROUS FOR ME AS I AM 78 YEARS OLD.THERE HAVE BEEN TIMES WHEN THIS HAS OCCURRED THERE WAS NO SHOULDER OF THE ROAD TO PULL OFF,LEAVING THE CAR IN WHATEVER LANE IT STALLED IN! IT TAKES ANYWHERE FROM 5 MIN TO 1/2 HOUR TO RESTART VERY VERY FRUSTRATING AND DANGEROUS TO OTHER TRAVELERS AND TO ME! SOMETHING DESPERATELY NEEDS TO BE DONE ABOUT THIS! *TR”
“TL* THE CONTACT OWNS A 2000 PONTIAC BONNEVILLE. THE CONTACT STATED THAT WHENEVER THERE WAS A SLIGHT BUMP TO THE IGNITION SWITCH WHILE DRIVING, THE VEHICLE WOULD STALL. THE VEHICLE WAS NOT TAKEN TO A DEALER OR INDEPENDENT MECHANIC. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 167,850 AND THE CURRENT MILEAGE WAS 169,100.”
“TL* THE CONTACT OWNS A 2000 PONTIAC BONNEVILLE. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 15 MPH, THE ENGINE SUDDENLY CAUGHT ON FIRE WITHOUT WARNING. THE DRIVER AND PASSENGERS ALL WERE ABLE TO EXIT THE VEHICLE WITHOUT ANY INJURIES. THE POLICE AND FIRE DEPARTMENT WERE NOTIFIED, BUT A REPORT WAS UNAVAILABLE. THE FIRE DEPARTMENT INFORMED THE CONTACT THAT THE FIRE WAS CAUSED BY AN ELECTRICAL FAILURE. THE VEHICLE WAS LATER TOWED TO AN INDEPENDENT MECHANIC AND PENDING AN INVESTIGATION. THE VEHICLE WAS DEEMED DESTROYED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 90,500.”
“FIRE IGNITED IN THE ENGINE COMPARTMENT WHILE PARKED IN A MALL PARKING LOT ABOUT 5 TO 10 MINUTES AFTER LEAVING VEHICLE COMPLETELY DESTROYING THE FRONT OF THE VEHICLE.”
Showing 6 of 31 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.