RoadVitals

2007 Pontiac Grand Prix Transmission Problems

Owner-reported complaints naming the transmission system, filed with NHTSA

Data refreshed

Transmission 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 Nov 21, 2019
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.
5%
of 220 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 the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules. Every record below is an owner-reported complaint about the 2007 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 transmission

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

BrakesElectricalSteering+1 more
Filed Nov 21, 2019

TL* THE CONTACT OWNS A 2007 PONTIAC GRAND PRIX. WHILE APPROACHING AN INTERSECTION, THE VEHICLE SEIZED WITHOUT WARNING. THE CONTACT MANAGED TO MOVE THE VEHICLE TO THE SHOULDER OF THE ROAD WITH THE HELP OF A BYSTANDER. THE CONTACT BELIEVES THE KEY FELL OUT OF THE IGNITION. THE POWER STEERING AND BRAKES WENT OUT, PLACE THE GEAR INTO PARK. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 52,000. *BF*JB

NHTSA ID
11281558
Incident
Nov 7, 2019
Mileage
52,000 mi
Transmission
Filed Oct 30, 2014

TL* THE CONTACT OWNS A 2007 PONTIAC GRAND PRIX. THE CONTACT STATED THAT THE VEHICLE FAILED TO ACCELERATE AND EXCESSIVE FORCE WAS REQUIRED ON THE ACCELERATOR PEDAL IN ORDER FOR THE VEHICLE TO RESPOND. ALSO, THE CONTACT MENTIONED THAT THE VEHICLE VIBRATED AND JERKED WHEN THE GEARS WERE SHIFTED. THE FAILURE OCCURRED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE TRANSMISSION NEEDED TO BE FLUSHED. THE FLUSH WAS PERFORMED BUT THE FAILURE PERSISTED. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ID
10651517
Incident
Apr 7, 2014
Transmission
Filed Dec 26, 2011

THE ISSUES I HAVE WITH MY 07 PONTIAC GRAND PRIX GXP ARE THE FOLLOWING MORE OFTEN THAN NOT NOW WHEN TAKING OFF FROM A STOP TRANSMISSION REVS UP AND SLAMS INTO GEAR CAUSING WHEEL SPIN GOING DOWN HIGHWAY TORQUE CONVERTER WILL LOCK UP AND RELEASE AT CRUISING SPEEDS 65-70 MPH CAUSING CAR TO BUCK ERRATICALLY CAUSING STABILITY ISSUES. *TR

NHTSA ID
10441249
Incident
Dec 20, 2011
Mileage
107,900 mi
Transmission
Filed Sep 2, 2011

TL* THE CONTACT OWNS A 2007 PONTIAC GRAND PRIX. WHILE STOPPED AT A LIGHT, THE VEHICLE WOULD NOT ACCELERATE. THE FAILURE RECURED INTERMITTENTLY. IN ADDITION, THE SPEEDOMETER WOULD NOT READ THE ACCURATE SPEED. THE VEHICLE WAS TOWED TO THE DEALER WHERE THE TECHNICIAN STATED THAT THE TRANSMISSION WOULD HAVE TO BE REPLACED. THE FAILURE PERSISTED AFTER THE REPAIR. THE TRANSMISSION WAS REPLACED THREE DIFFERENT TIMES BUT THE FAILURE PERSISTED. THE APPROXIMATE FAILURE MILEAGE WAS 20,000.

NHTSA ID
10423008
Incident
Dec 15, 2007
Mileage
20,000 mi
Transmission
Filed Aug 29, 2011

WENT TO DRIVE MY VEHICLE FROM IN FRONT OF MY HOUSE AND DISCOVERED BY ACCIDENT, THAT I COULD SHIFT MY CAR INTO REVERSE WITHOUT DEPRESSING THE BRAKE PEDAL OR PUSHING IN ON THE PAWL BUTTON ON THE SHIFTER. I HAD GOTTEN A SHIRTSLEEVE HUNG UP ON THE SHIFTER AND PULLED MY ARM BACK AND THE CAR STARTED INTO REVERSE ON ITS OWN. THIS IS A CONSTANT CONDITION, AND I HAVE NOT MADE CONTACT WITH A DEALER, THOUGH BASED ON MY PAST EXPERIENCES WITH GM DEALERSHIPS, THEY WON'T FIX IT, OR WILL BLAME ME FOR THE CONDITION. THIS IS WHY I AM SUBMITTING THIS REPORT FIRST. *TR

NHTSA ID
10422507
Incident
Aug 27, 2011
Mileage
46,000 mi
Transmission
Filed Aug 20, 2011

I AM EXPERIENCING INTERMITTENT TRANSMISSION SLIPPING AS WELL AS MALFUNCTIONING FROM A START. *TR

NHTSA ID
10420824
Incident
Aug 18, 2011
Mileage
55,000 mi
Other / unspecifiedTransmission
Filed Feb 20, 2011

2007 GRAND PRIX GXP CAR KEPT TRIGGERING ENGINE LIGHT AND TURNED OUT TO BE CODES P0700 AND P0843. 135K TRANSMISSION WAS REBUILT BECAUSE REVERSE HAD GONE. NOW @ 193K TRANS IS BACK TO THE CODES AND NOW SLIPPING. I'VE HAD MY 99 GRAND PRIX GTP FOR 8 YEARS AND NEVER HAD TO DUMP A TRANS INTO IT OR MOTOR INTO IT AND ITS AT 176K MILES RUNNING HARD. THE TRANS FOR THIS VEHICLE NEEDS TO BE REDONE. *TR

NHTSA ID
10383423
Incident
Feb 17, 2011
Mileage
135,000 mi
Transmission
Filed Jun 28, 2007

UPDATE ON 10192218 AND 10192426. 2007 GRAND PRIX GXP DEALER ATTEMPTED REPAIR TRANSMISSION. PER GMS TECH SUPPORT, DEALER PULLED TRANSMISSION, REPLACED FINAL DRIVE GEARS , AND BEARINGS. PROBLEM NOT RESOLVED. DEALER THEN REPLACED TRANSMISSION, BUT WITH GM RE-MANUFACTURED"PART. ALSO, DEALER STATED THEY COULD NOT OBTAIN A BRAND NEW TRANSMISSION FOR ANY REPAIR BECAUSE THE FACTORY SAVED NEW TRANSMISSIONS FOR THE PRODUCTION LINE VEHICLES. 15 DAYS AT DEALER. AND WAS TOLD CAR READY FOR PICK-UP. DROVE THE CAR AROUND THE PARKING LOT AND NOTICED GEAR SHIFT DID NOT LOCK INTO PLACE IN ANY GEAR BUT MANUAL. REVERSE, DIDN'T WORK, AND TRANSMISSION SHIFTED ITSELF INTO NEUTRAL GOING DOWN AN INCLINE. BROUGHT VEHICLE IMMEDIATELY BACK TO DEALER, WHO HAD TO REPLACE BOTH FRONT BRIDGESTONE TIRES DUE TO OUT OF ROUND AND IRREGULAR WEAR. LATEST SET OF TIRES WERE ALSO DEFECTIVE, ORDERED TWO NEW BRIDGESTONE'S UNDER WARRANTY. SECOND SET OF REPLACEMENT TIRES DID NOT HELP. DEALER TOLD ME THERE WAS NOTHING WRONG WITH THE REPLACEMENT TRANSMISSION, DESPITE DRIVE LINE SHUDDERING. DEALER STATED OPERATED AS DESIGNED. *AK

NHTSA ID
10194927
Incident
Jun 8, 2007
Mileage
500 mi
Tires & wheelsTransmission
Filed Jun 8, 2007

FOLLOW-UP ON ODI #'S: 10191952 AND10192426 REPAIR ATTEMPT THREE ON AUTOMATIC TRANSMISSION. AS OF MIDNIGHT TONIGHT, THIS MAKES 15 CONSECUTIVE DAYS THE VEHICLE HAS BEEN AT THE DEALER FOR REPAIR OF THE TRANSMISSION. DEALER CALLED TODAY, STATING VEHICLE IS REPAIRED. THEY REPLACED THE TRANSMISSION WITH A "RE-MANUFACTURED" TRANSMISSION THEY ORDERED FROM GM. SO, I'VE GOT A BRAND NEW 2007 GRAND PRIX GXP WITH 3,200 MILES ON THE ODOMETER, WITH A USED TRANSMISSION FROM GM. DEALER INSISTED VEHICLE HAD BEEN TAKEN FOR SEVERAL TEST-DRIVES TODAY, AND IT IS IN "LIKE NEW" CONDITION. UPON TAKING THE CAR FOR A TEST DRIVE, MYSELF, I NOTICED THAT THE GEARSHIFT WAS LOOSE, AND DID NOT LOCK INTO PLACE, AS IT HAD BEFORE, AND AS IT WAS DESIGNED TO DO. ANY SLIGHT PRESSURE OR BUMP IN THE ROAD CAUSED THIS "NEW"(????) TRANSMISSION TO SHIFT INTO NEUTRAL, WITHOUT CONTROL INPUT FROM DRIVER. BASICALLY, THERE WERE NO DETENT STOPS FOR THE GEAR INDICATOR, AND IT FREELY MOVED BETWEEN DRIVE, NEUTRAL AND REVERSE! DEALER STATED THEY WOULD ONCE AGAIN ATTEMPT TO REPAIR. DEALER DID NOT CLOSE-OUT THE SERVICE TICKET, SO THEY ARE MAKING THIS APPEAR AS ONE REPAIR ATTEMPT, EVEN THOUGH THEY HAVE: 1. IGNORED INITIAL COMPLAINT, 2. ATTEMPTED TO REPAIR THE ORIGINAL TRANSMISSION, 3. FAILING THAT, THEY ORDERED A USED, RE-MANUFACTURED TRANSMISSION FROM GM, WHICH HAS EITHER BEEN INSTALLED INCORRECTLY, OR IS DEFECTIVE FROM THE START. EVEN IF THE VEHICLE CAN BE "REPAIRED", IT NOW HAS A USED, DYSFUNCTIONAL AND DANGEROUS TRANSMISSION, AND THE CAR IS SERIOUSLY DE-VALUED. I AM FILING A COMPLAINT WITH GM, AND THOROUGHLY PLAN ON A VIGOROUS PURSUIT OF MY RIGHTS UNDER THE FLORIDA LEMON LAW.

NHTSA ID
10192818
Incident
Jun 8, 2007
Mileage
500 mi
Transmission
Filed Jun 4, 2007

UPDATE REGARDING ORIGINAL ODI CASE NUMBER: 10191952. CAR HAS NOW BEEN IN SERVICE FOR TEN DAYS. DEALER STATED GM "AWARE OF A POTENTIAL DEFECT" IN THE TRANSMISSION, IN THE FINAL DRIVE GEAR(S). DEALER REPLACED TWO GEARS AND A BEARING IN THE TRANSMISSION. PURSUANT TO DISCUSSION WITH DEALER REPRESENTATIVE TODAY, REPAIR DID NOT CORRECT PROBLEM. TRANSMISSION IS NOW MAKING "CLANKING" NOISE AT VARIOUS SPEEDS INSTEAD OF JUST AT IDLE. NO DETAILS RECEIVED REGARDING HARSH SHIFT, JUST THAT DEALER FELT TRANSMISSION REPAIR WAS "UNACCEPTABLE". DEALER HAS ORDERED A REPLACEMENT TRANSMISSION FROM GM. NOTE: DEALER, FERMAN AT CYPRESS CREEK IN LUTZ, FL HAS BEEN QUITE ACCOMMODATING AND RUDY SCHMIDT, SERVICE DIRECTOR, HAS MADE THIS ORDEAL MUCH MORE TOLERABLE. THIS APPEARS TO BE A DESIGN OR MANUFACTURING FLAW, WHICH GM DID NOT CORRECT PRIOR TO DELIVERY. *TR

NHTSA ID
10192426
Incident
Jun 4, 2007
Mileage
500 mi
Transmission
Filed May 29, 2007

PURCHASED 2007 PONTIAC GRAND PRIX GXP NEW, APPROX 3 MONTHS AGO. AT 500 MILES, LOUD METAL-ON-METAL "CLANKING" NOISE BEGAN. TRACED NOISE TO TRANSMISSION BELL HOUSING. TAKEN FOR SERVICE AT 1,500 MILES, REQUESTED SERVICE WRITER LISTEN TO THE NOISE AND TAKE CARE OF PROBLEM. RETURNED AS "NO PROBLEM FOUND". AGAIN, TOOK VEHICLE TO DEALER FOR SAME NOISE, ALONG WITH HARSH AND SUDDEN SHIFTS AROUND 25-30MPH. DEALER ATTEMPTED TO RETURN VEHICLE, STATING IT WAS "NORMAL, AND COVERED BY A TSB". I REFUSED TO ACCEPT THE VEHICLE. DEALER GAVE ME A VERY HARD TIME ABOUT COVERING A LOANER VEHICLE, EVEN THOUGH THIS WAS 2ND TIME TO DEALER WITH SAME COMPLAINT, UNRESOLVED, WITH JUST OVER 3,200 MILES ON ODOMETER. DEALER CALLED GM. MECHANICS NOW HAVE TO TEAR OUT THE TRANSMISSION TO "ATTEMPT A DIAGNOSIS". APPARENTLY, THERE MAY BE A "CLUTCH PACK ISSUE". VEHICLE STILL IN SERVICE AFTER 4 DAYS, NO DIAGNOSIS YET. REQUEST GM PROVIDE A NEW TRANSMISSION AND BELL HOUSING. *TR

NHTSA ID
10191952
Incident
Apr 1, 2007
Mileage
500 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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Elsewhere on this vehicle

Data sources

Data on this page last refreshed .