RoadVitals

2008 Pontiac Grand Prix Driver assistance Problems

Owner-reported complaints naming the driver-assistance system, filed with NHTSA

Data refreshed

Driver assistance reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
11
Latest May 26, 2020
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
8%
of 142 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems. Every record below is an owner-reported complaint about the 2008 Pontiac Grand Prix submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 11 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming driver-assistance

Shown in the owner’s own words, exactly as filed

BrakesDriver assistance
Filed May 26, 2020

ENGINE POWER REDUCED WARNING LIGHT CAME ON AND CAR HAS MINIMAL ACCELERATION NOT ALLOWING TO GO OVER 40 MPH. ANTILOCK BREAK AND TRACTION CONTROL LIGHTS BOTH ON. BREAKING ISSUE WHEN THIS HAPPENS CAUSING BREAKS TO HESITATE. ALL ISSUES LISTED HAPPEN WHILE IN MOTION ON CITY STREET & HIGHWAY, WHILE GOING STRAIGHT & TURNING AND WHEN BREAKING. *TR

NHTSA ID
11326033
Incident
May 26, 2020
Mileage
208,000 mi
Driver assistance
Filed Jan 27, 2016

TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 60 MPH, THE VEHICLE SPEED DECREASED TO 30 MPH. THE "REDUCED ENGINE" WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER, WHO DIAGNOSED THAT THE ACCELERATOR PEDAL NEEDED TO BE REPLACED. THE FAILURE RECURRED ON ANOTHER OCCASIONS AND THE VEHICLE WAS TOWED TO A DEALER, WHO REPLACED THE THROTTLE PLATE BUT THE FAILURE PERSISTED. THE FAILURE MILEAGE WAS 82,973.

NHTSA ID
10822685
Incident
May 23, 2015
Mileage
82,973 mi
AirbagsDriver assistanceElectrical
Filed Nov 24, 2015

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 AND SEAT.

NHTSA ID
10806510
Incident
Jul 16, 2014
Mileage
80,000 mi
Driver assistanceEngine
Filed Oct 15, 2015

TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. WHILE DRIVING AT 45 MPH, THE VEHICLE FAILED TO ACCELERATE WHILE THE ACCELERATOR PEDAL WAS DEPRESSED AND THE REDUCE ENGINE POWER WARNING MESSAGE ILLUMINATED ON THE INSTRUMENT PANEL. THE FAILURE WAS PERSISTENT. THE CONTACT ALSO STATED THAT THE ENGINE STALLED. THE VEHICLE WAS ABLE TO RESTART. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 94,000. UPDATED 02/05/16*LJ ISSUE ON GOING UPDATED 4/19/18*JB *CN

NHTSA ID
10782460
Incident
Sep 2, 2015
Mileage
94,000 mi
Driver assistanceEngine
Filed Sep 20, 2015

REDUCED ENGINE LIGHT KEEP COMING ON WHILE DRIVING AND THE VEHICLE LOSE POWER WHEN TRY TO ACCELERATE. THIS HAS BEEN GOING ON FOR ABOUT 3 YEARS NOW ON AND OFF. WE HAVE BROUGHT THE VEHICLE TO GET REPAIRED MULTIPLE TIMES AND THE PROBLEM CONTINUES. THE THROTTLE BODY HAS BEEN CHANGED AND ALSO SENSORS BUT THE PROBLEM CONTINUES.

NHTSA ID
10766222
Incident
Jun 1, 2012
Mileage
120,000 mi
Driver assistanceEnginePowertrain (other)
Filed Aug 28, 2015

MY GRAND PRIX RECENTLY STARTED TO DISPLAY A MESSAGE STATING REDUCED ENGINE POWER. IT HAS BEEN HAPPENING RANDOMLY FOR THE PAST WEEK. IT ONLY HAPPENS AS I AM DRIVING THE CAR. THE CAR SLOWS DRAMATICALLY, AND DOES NOT ACCELERATE AT ALL. AS I WAS DRIVING YESTERDAY, I WAS MERGING INTO TRAFFIC WHERE THE SPEED LIMIT IS 45 MPH, I HAD MORE THAN ENOUGH ROOM TO MERGE INTO TRAFFIC, THE REDUCED ENGINE POWER MESSAGE DISPLAYED AND THE CAR WOULD NOT ACCELERATE. THE TRAFFIC QUICKLY CAUGHT UP TO ME AND I WAS ALMOST HIT DUE TO THE CAR NOT ACCELERATING. I AM CURIOUS AFTER LOOKING INTO THIS MATTER AND FINDING SO MANY COMPLAINTS ABOUT THE SAME ISSUE, HOW MANY COMPLAINTS NEED TO BE FILED, OR HOW MANY DEATHS NEED TO OCCUR BEFORE SOMETHING IS DONE? I AM NOW SCARED TO DRIVE MY OWN CAR.

NHTSA ID
10759941
Incident
Aug 21, 2015
Mileage
133,700 mi
Driver assistance
Filed Jun 24, 2015

DRIVING ON THE HIGHWAY OR ANYWHERE, IT HAPPENS EVERY OTHER DAY. THE INFORMATION MESSAGE CENTER CHIMES THEN THE CHECK ENGINE LIGHT COMES ON THE CAR SLOWS DOWN TO 25MPH. WHEN I AM ON THE HIGHWAY THIS IS VERY DANGEROUS. I HAVE TAKEN IT TO 3 DIFFERENT SERVICE STATIONS, THE LAST 2 DEALERSHIPS. ALL THE CODES ARE THROTTLE RELATED AND I GET THE CAR BACK AFTER A WEEK OR 2 AND THE SAME THING HAPPENS AGAIN. NO ONE CAN FIX IT. I HAVE EMAILED GM THEY DID NOT RESPOND TO MY EMAIL. I ATTACHED ALL THE SERVICE RECORDS WITH THE EMAIL HOPING THEY WOULD BE ABLE TO HELP. SLOWING ME FROM 70MPH DOWN TO 25MPH ON THE HIGHWAY (US131) WILL CAUSE AN ACCIDENT SOONER NOT LATER. ITS ONLY A MATTER OF TIME BEFORE THIS HAPPENS. GM DOESN'T SEEM TO CARE. I'M NOT SURE WHAT TO DO, NO ONE CAN FIX THE CAR AND I'M RUNNING OUT OF MONEY FOR REPAIRS.

NHTSA ID
10730136
Incident
Jun 9, 2014
Mileage
105,000 mi
Driver assistance
Filed May 27, 2015

TRACTION CONTROL WARNING LIGHT CAME ON. INVESTIGATED AND WIRES FROM THE SENSOR WAS RIPPED. MECHANIC SOLDERED WIRES BACK TOGETHER. STARTING TO FLICKER AND DISABLE TRACTION CONTROL WHEN WHEEL IS FULLY TURNED. CAUSES ABS SYSTEM TO ENGAGE WHEN NOT NEEDED. CAN CAUSE ACCIDENT DUE TO INCREASED STOPPING DISTANCE.

NHTSA ID
10721798
Incident
Jan 4, 2013
AirbagsDriver assistance
Filed Sep 29, 2014

I WAS DRIVING ON THE HIGHWAY AND EXITING ON A RAMP. THE RAMP WAS ON AN INCLINE. MY DRIVING SPEED AROUND 45 MPH. THEN, UNEXPECTEDLY, THE SPEED DECREASED TO 30 MPH AND IMMEDIATELY THE "REDUCE ENGINE SPEED" LIGHT CAME ON. SHORTLY AFTER, MY "CHECK ENGINE" LIGHT CAME ON. I CONTINUED ON MY EXIT, PULLED OVER AND PARKED. AFTER CAR BEING OFF FOR 30 MINUTES, THE CAR STARTED RIGHT BACK UP. THE "REDUCE ENGINE SPEED" LIGHT WENT OFF BUT THE "CHECK ENGINE" LIGHT REMAINED. I PURCHASED MY CAR IN FEB 2014 AND THIS WAS THE VERY 1ST INCIDENT. IN THE BEGINNING, THIS WASN'T FREQUENT BUT AS I NOTICED IT HAPPENING MORE OFTEN, I BEGAN TO RECORD EACH TIME THIS HAPPENED. THE DATES I HAVE TRACKED THUS FAR ARE 7/7/14, 7/10/14, 7/13/14, 7/27/14, 8/2/14, 8/11/14, 8/12/14, 8/20/14, 8/21/14, 8/22/14, 8/28/14 (HAPPENED 3 TIMES THROUGHOUT THE NOON AT 2:15P, 3:00P & 5:20P), 8/29/14, 9/9/14, 9/10/14 (4 TIMES THROUGHOUT THIS DAY), 9/15/14, 9/16/14, 9/17/14, 9/18/14, 9/19/14, 9/20/14, 9/23/14, 9/24/14, 9/27/14. I HAVE ALREADY HAD $550 REPAIRS DONE, AT LEAST THAT'S WHAT I THOUGHT, TO TAKE CARE OF THE "REDUCE ENGINE SPEED" LIGHT BUT IT CONTINUES TO COME ON. I TOOK IT BACK THE SAME MECHANIC/BODY SHOP AND THE DIAGNOSTIC MACHINE SHOWED MORE/DIFFERENT CODES. NEW REPAIRS WOULD COST ANOTHER $550-$600. ALSO, WHEN EITHER OF MY SONS SIT IN THE FRONT SEAT, THE PASSENGER AIRBAG LIGHT GOES ON AND OFF. THEY ARE BOTH BETWEEN 90-95 LBS. THIS ARE MAJOR CONCERNS BECAUSE I NEED TO KNOW THAT WE ARE SAFE WHENEVER WE ARE INSIDE THE VEHICLE. *TR

NHTSA ID
10639839
Incident
Mar 1, 2014
Mileage
92,000 mi
Driver assistanceElectrical
Filed Jun 5, 2014

TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE VEHICLE STALLED. THE CONTACT MENTIONED THAT THE REDUCED ENGINE, STABILITY AND TRACTION CONTROL WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT WATER PENETRATED INSIDE THE INSTRUMENT PANEL, CAUSING THE ELECTRICAL SYSTEM TO FAIL. THE TECHNICIAN SEALED THE AREA BUT THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE WATER DAMAGE CAUSED THE ACCELERATOR PEDAL TO FAIL AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 107,000 AND THE CURRENT MILEAGE WAS 111,800.

NHTSA ID
10596436
Incident
Mar 31, 2014
Mileage
107,000 mi
BrakesDriver assistanceElectrical
Filed Feb 23, 2013

BOUGHT THIS VEHICLE PRE CERTIFIED WITH WARRANTY WITH 22000 MILES. WITHIN 4 MONTHS THE POWER STEERING LINE BREAKS REPLACED UNDER WARRANTY. BRAKE SENSOR REPLACED UNDER WARRANTY FRONT LEFT TIE ROD REPLACED UNDER WARRANTY. THESE ARE PROBLEMS THAT OCCURRED WITHIN A 9 MONTH TIMESPAN. DURING THIS TIME YOU COULD PRESS ON THE GAS AND THE VEHICLE WOULD HESITATE/STALL/SHAKE AND TIMES LUNGE FORWARD AS YOU TRY TO EASE FORWARD. THIS OCCURRED THE ENTIRE TIME I HAD THE VEHICLE AND THEY WERE UNABLE TO DUPLICATE THE PROBLEM WHEN IT WAS UNDER THE WARRANTY. DRIVING HOME THE STABILITY/TRACTION CONTROL SENSOR LIGHTS CAME ON,THEM REDUCED ENGINE POWER CAME ON AND THE CAR WOULD NOT DRIVE OVER 15 MILES. NOW AT 34000 MILES AND A INDICATOR LIGHT SHOWING THEY FIGURED IT WAS THE SENSOR ON THE GAS PEDAL ($360). OH FORGOT TO MENTION DEALERSHIP ALSO STATED DURING THAT WARRANTY TIMEFRAME UNLESS SOMETHING BREAKS OR A INDICATOR LIGHT COMES ON THERE IS NOTHING THEY CAN DO. AFTER THAT THEY FOUND I ALSO NEED A FRONT RIGHT OUTER TIE ROD ($285). CONTACTED GM BECAUSE I THINK THEY SHOULD HAVE PAID FOR THE GAS PEDAL. TO MAKE A LONG SHORT SHORT IT'S BEING EVALUATED AND SINCE I DIDN'T WANT TO LEAVE MY CAR THERE ANOTHER NIGHT OR PERHAPS OVER THE WEEKEND UNTIL THEY CONFIRMED WITH THE SALES MANAGER REIMBURSEMENT MAY NOT BE POSSIBLE. *TR ## VIN FAILED ##

NHTSA ID
10499745
Incident
Dec 1, 2011
Mileage
23,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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Data sources

Data on this page last refreshed .