TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT THE VEHICLE'S SPEED REDUCED AND SMOKE APPEARED UNDER THE FRONT PASSENGER SIDE HOOD. THE CONTACT ALSO STATED THAT THE GAUGES FLUCTUATED AND ALL THE WARNING LIGHTS AND THE INTERIOR LIGHTS FLICKERED. THE VEHICLE WAS TOWED TO A DEALER WHO DIAGNOSED THAT UNKNOWN WIRES WERE MELTED. AS A RESULT, THE FUSE BLOCK AND THE ENGINE HARNESS …
2008 Pontiac Grand Prix electrical problems
severe 38 complaints filed with NHTSA · avg repair $850
What owners are reporting 8 most recent
THIS VEHICLE KEEPS BLOWING THE FUSE FOR FRONT PARK LIGHTS AND TAIL LIGHTS. WITHOUT LIGHTS, CANT DRIVE VEHICLE AT NIGHT OR LOW LIGHT, INCLEMENT WEATHER CONDITIONS. INITIAL INVESTIGATION/TROUBLESHOOTING LEADS TO FAULTY BODY CONTROL MODULE. THE BODY CONTROL MODULE PROVIDES GROUND CIRCUIT FOR MULTIPLE ELECTRICAL FUNCTIONS ON VEHICLE. THIS PROBLEM COULD RESULT IN VEHICLE WIRING HARNESS OVERLOADING …
UPON STARTING OF THE CAR UNDER NORMAL CONDITIONS, NOTICED A SLIGHT BURNT ELECTRICAL SMELL, AFTER INSPECTION OF THE ENGINE COMPARTMENT, I DID NOT NOTICE ANY SMOKE OR OBVIOUS SIGNS, AND THE SMELL WENT AWAY, THIS HAPPENED TWICE WHILE OUT SHOPPING AT VARIOUS PLACES. ON THE FINAL LEG OF THE TRIP ON THE WAY HOME, I NOTICED THE SMELL BECOMING MORE APPARENT, AND THE SMELL WAS NOTICEABLE AT TRAFFIC LIGHT …
2008 PONTIAC GRAND PRIX LOST TOTAL POWER TO THE CAR. DISCOVERED THAT THE IGNITION MODULE HAD GONE BAD. *MW THE CONSUMER STATED IT WASN'T UNTIL AFTER THE REPAIR SHOP REPLACED THE IGNITION MODULE AND DID A MAINTENANCE CHECK RIDE, THEY DISCOVERED THE SOURCE OF THE IGNITION MODULE FAILING, WAS THE IGNITION COIL, WHICH ALSO HAD TO BE REPLACED. *JB
SINCE I BOUGHT THE CAR, I NOTICED ON MOTION THE FORCE ON THE PEDAL STARTED REDUCING. WHEN IT HAPPENS I REPRESS IT AGAIN WHICH WILL BECOME STABLE AT THAT PARTICULAR TIME. WILL GOT STUCK WHILE IN MOTION( 55MPR). I TOOK TO THE DEALERSHIP THEY TOLD ME NOTHING WRONG WITH THE CAR, AND THEN I WAS UNDER WARRANTY. THIS MORNING I TOOK IT TO MECHANIC, THEY TOLD ME IT'S ELECTRICAL PROBLEM WITH THROTTLE PEDAL …
I PURCHASED A 2008 PONTIAC GRAND PRIX IN MARCH 2014 AND SHORTLY AFTER WHEN I TRIED TO START IT IT DIDN'T WANT TO START. THIS HAS HAPPENED PROBABLY 10-15 TIMES A MONTH GIVE OR TAKE MAYBE MORE SEEING AS I'M NOT THE ONLY ONE WHO DRIVES IT SO I DON'T KNOW BUT I KNOW IT'S ABOUT 10-15 TIMES A MONTH FOR ME. WHEN THIS HAPPENS I HAVE TO GIVE IT GAS TO GET GOING SO I'M NOT STRANDED SOMEPLACE AND I'M NOT SUR…
2008 PONTIAC GRAND PRIX, TOTAL IGNITION FAILURE, WHILE DRIVING WITHOUT WARNING. VEHICLE HAS ONLY 39000 MILES, AND WAS PROPERLY MAINTAINED. THERE WAS NO CHECK ENGINE LIGHT. REPAIR WAS TO CHANGE IGNITION MODULE AND THREE COIL PACKS. THE FUSE WAS ALSO BLOWN. *TR
I WAS DRIVING AT DARK HOURS WITH HEADLIGHTS ON AND LIGHTS JUST WENT OUT. TURNED ON BRIGHT LIGHTS AND THE LIGHTS WORKED. TURNED BACK TO DIM AND LIGHTS WORKED FOR ABOUT HALF A MILE.LIGHTS WENT OUT AGAIN TURNED ON BRIGHTS AND SAME THING AS BEFORE THE LIGHTS WORKED. I THOUGHT I SEEN SOMEWHERE A RECALL WAS ISSUED FOR THIS PROBLEM. I GUESS I DIDNT.
Common questions
How serious is the electrical problem on the 2008 Pontiac Grand Prix?
It's a meaningful issue. 38 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.