What 247 owners told NHTSA about the 2015 GMC Acadia Denali

APPROXIMATELY 2 MONTHS AGO, THE VEHICLE SHUT DOWN IN THE MIDDLE OF HIGH SPEED TRAFFIC. SEVERAL WARNING INDICATORS APPEARED (E.G. "STABILITRACK OFF", ETC.), THEN THE VEHICLE IMMEDIATELY SHUT DOWN. PROPULSION STOPPED AND THE VEHICLE SLOWLY CAME TO A STOP. LUCKILY, MY WIFE WAS ABLE TO STEER OFF TO THE SIDE OF THE ROAD SAFELY. IT WAS TOWED TO THE DEALER, ALTHOUGH IT WAS ABLE TO RESTART. THE DEALER HAD FIXED IT, THEN RETURNED THE VEHICLE TO US. TWO MONTHS LATER, THE IDENTICAL THING OCCURRED; SAME ERROR MESSAGES FOLLOWED BY THE VEHICLE SHUTTING DOWN, IN THE MIDDLE OF DRIVING IT. WE TOOK IT BACK TO THE DEALER, AND A DIFFERENT PROBLEM WAS DIAGNOSED (WITH THE VEHICLE OUT OF SERVICE > 2 WEEKS THIS TIME). WE HAVE LOST CONFIDENCE IN THE VEHICLE, AND FEEL IT IS UNSAFE TO DRIVE.

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TL* THE CONTACT OWNS A 2015 GMC ACADIA. THE CONTACT STATED THAT THE AIR CONDITIONER ONLY EMITTED HOT AIR. THE DEALER WAS NOT CONTACTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE COMPRESSOR HOSE WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 42,000.

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LETTER FROM SENATOR FEINSTEIN INQUIRY ON BEHALF OF CONSTITUENT IN REGARDS TO HAVING PROBLEMS WITH GMC SIERRA DENALI PICKUP 2015. *LD THE CONSUMER STATED THE VEHICLE HAS HAD MULTIPLE ISSUES WITH THE SUSPENSION, TRANSMISSION, AND ELECTRONICS. THE VEHICLE WOULD RIDE ROUGH AND THE STABILITY LIGHT WOULD ILLUMINATE. THE TRANSMISSION NEEDED TO BE REPLACED. THE ELECTRONIC DASH BLACKED OUT AND WOULD NOT FUNCTION, THE SETTIGNS SWITCHED ON THEIR OWN. THE VEHICLE DIED AND SHIFTED DANGEROUSLY. THE MANUFATURER WAS NOTIFIED. THE CONSUMER A FIX WAS UNAVAILABLE. UPDATED 08/09/2017*JS

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SERVICE AIR BAGS. THE WHOLE AIR BAG SYSTEM FROM FRONT TO BACK NEEDS SERVICING. I BELIEVE GMC ACAIDAS NEED TO BE RECALLED FOR THIS ISSUE.

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TL* THE CONTACT OWNS A 2015 GMC ACADIA. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE EXPERIENCED UNINTENDED ACCELERATION AND THE CONTACT HAD TO EXERT EXCESSIVE PRESSURE TO THE BRAKE PEDAL. THE CONTACT THEN HEARD AN ABNORMAL NOISE COMING FROM THE FRONT OF THE VEHICLE. THE CONTACT STATED THAT THE VEHICLE INDEPENDENTLY DISENGAGED AND SLOWED DOWN. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED AND MADE ARRANGEMENTS TO HAVE THE VEHICLE TOWED TO A DEALER. THE FAILURE MILEAGE WAS 35,021.

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REAR TAILLIGHTS HAVE MOISTURE IN THEM. THE MOISTURE IS CONSTANT IN ONE AND INTERMITTENT IN THE OTHER. BOTH HAVE BEEN REPLACED ONCE BY DEALER 3 MONTHS AGO. PROBLEM STILL EXISTS

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GEAR SELECTOR CAN BE CHANGED WITHOUT PRESSING BRAKE OR HAVING KEYS IN INHIBITION. MY 4YR OLD SWITCHED THE CAR INTO NEUTRAL AND ROLLED IT DOWN OUR DRIVEWAY INTO OUR GARAGE

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SERVICE STABILITRAK--TRACTION CONTROL OFF! MESSAGE, THEN CAR RAN ROUGH AND LUNGED ON ACCELERATION. THIS HAPPENED AT 5,000 MILES, REPAIRED AT DEALER. AGAIN ABOUT 12,000 ON A TRIP AND RESET ITSELF. NOW, AT 20,000 MILES SAMES MESSAGE AND IS AT THE DEALER BEING REPAIRED. THIS IS A SAFETY HAZARD. PLEASE INVESTIGATE THIS.

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EVERYTIME IT RAINS THE PASSENGER FLOOR GETS WET. I CAN NOT SEE THE WATER COMING IN. HOWEVER, THE MAT AND FLOOR CARPET IS ALWAYS WET AFTER IT RAINS, EVEN IF THE FRONT PASSENGER DOOR HAS NOT BEEN OPENED OR EXPOSED TO THE RAIN. THIS HAS CAUSED MOLD TO GROW ON FLOOR MAT. THIS IS AN ONGOING ISSUE.

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I HAVE GOODYEAR FORTERA HL TIRES ON MY ACADIA AND STARTED HAVING PROBLEMS WITH THEM JUST AT 1 MONTH AFTER I LEASED MY CAR. THE FIRST PROBLEM WAS THAT I ENDED UP WITH A MAJOR FLAT TIRE & IT WAS JUST A BIG HOLE IN THE LARGE TREAD. SINCE THEN THE TIRES NEVER HOLD INFLATION...ALL OF THEM. I HYDROPLANE WHEN TURNING ON ROADS THAT ARE ONLY SLIGHTLY WET AND THE ENTIRE CAR SLIDES SIDEWAYS. I NOW NEED TO REPLACE THESE TIRES AT JUST 30,000 MILES WHEN THE SUPPOSED MILEAGE WARRANTY IS 60K. THERE WAS A RECALL FOR THIS EXACT TIRE BUT THE PRODUCTION RECALL ENDED AT JUST TWO WEEKS PRIOR TO WHEN MINE WERE PRODUCED. HOWEVER, MY TIRES ARE DOING THE SAME EXACT THINGS THAT THE RECALLED TIRES DID AND THESE SHOULD BE INCLUDED IN THE RECALL AS WELL. THE TREADS HAVE CRACKS, SPLITS AND PITS IN THEM JUST AS THE RECALLED TIRES AND HAVE ISSUES WITH PSI/INFLATION AS WELL. THEY ARE NOT SAFE TO DRIVE ON AND NEED REPLACED ASAP. *TR

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WE HAVE A 2015 GMC ACADIA SLE-2 WITH PROJECTOR HEADLIGHTS. WE CAN ONLY SEE ABOUT 50-75 FT. AHEAD WITH LOW BEAMS, THERE IS A DARK LINE AT HOOD LEVEL WHERE THE LIGHT CUTS OF INTO DARKNESS. THE LIGHT BOUNCES UP AND DOWN WHEN DRIVING THIS IS VERY DISTRACTING AND DANGEROUS. IT IS DIFFICULT TO SEE THE SHOULDER OF THE ROAD, I DID NOT SEE A PEDESTRIAN UNTIL HE WAS RIGHT BESIDE ME. THE HIGH BEAMS ARE ABOUT THE SAME AS THE LOW BEAMS IN OUR PREVIOUS VEHICLE (2010 GMC TERRAIN). I CONTACTED OUR DEALER WHO SAID THERE WAS NO RECALL OR TSB REGARDING OUR PROBLEM. THE SERVICE MANAGER SAID HE WILL TRY TO ADJUST THE AIM OF THE HEADLIGHTS. HE STATED HE HAD DONE THIS WITH OTHER CUSTOMERS BUT IT WAS NOT A FIX FOR THE PROBLEM IT MAY ONLY HELP A LITTLE. I SAW SIMILAR COMPLAINTS ON CARCOMPLAINTS.COM. WE FEEL THIS A SAFETY ISSUE AND NEEDS TO BE ADDRESSED. WE FEEL SOMEONE SHOULD DRIVE THIS VEHICLE IN A DARK RURAL AREA (WHERE WE LIVE AND DRIVE MOST OFTEN) AND THEY WOULD SEE THE PROBLEM!!!

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TL* THE CONTACT OWNS A 2015 GMC ACADIA. THE CONTACT STATED THAT THE SERVICE AIR BAG WARNING INDICATOR WAS ILLUMINATED. THE DEALER DIAGNOSED THAT THE AIR BAG WARNING SENSOR NEEDED TO BE REPLACED. THE AIR BAG WARNING SENSOR WAS REPLACED; HOWEVER, THE FAILURE RECURRED. WHILE THE VEHICLE WAS BEING REPAIRED FOR THE THIRD TIME, THE REAR AIR BAGS DEPLOYED INDEPENDENTLY. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 18,000.

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TL* THE CONTACT OWNS A 2015 GMC ACADIA. THE CONTACT STATED THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT RESTARTED THE VEHICLE, BUT THE FAILURE RECURRED WHETHER DRIVING OR PARKED. THE CONTACT TOOK THE VEHICLE TO THE DEALER; HOWEVER, THE DEALER WAS UNABLE TO IDENTIFY THE FAILURE AND DIAGNOSE THE VEHICLE. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER STATED THAT FURTHER EVIDENCE REGARDING THE FAILURE WAS NEEDED. THE APPROXIMATE FAILURE MILEAGE WAS 18,860.

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I HAVE A 2015 GMC ACADIA WITH 47800 MILES ON IT AND THE AC IS ALREADY BROKEN. SINCE IT'S PASSED THE 36000 MILES THE DEALERSHIP WANTSE TO PAY FOR THE REPAIRS. HOW IS THE AC BROKEN ALREADY ON A VEHICLE THAT'S A YEAR OLD AND LESS THEN 50000 MILES?

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DRIVING AT 34-45 MPH LOSE ALL ENGINE POWER AND HAVE TO PULL OVER. VEHICLE TOTALLY LOSES ALL POWER. ENGINE SHUTS OFF.

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ON OCTOBER 8, 2015, OUR FAMILY WAS DRIVING ON I-85 NEAR HUNTERSVILLE, NC. WE WERE IN OUR 2015 GMC ACADIA, WHICH WE'D BOUGHT NEW IN AUGUST. WE WERE IN STEADY, MOVING TRAFFIC. THE CABIN WAS QUIET; I WAS DRIVING, MY WIFE WAS IN THE PASSENGER SEAT, AND OUR TWO CHILDREN (AGES 9 AND 7) WERE IN THE SECOND ROW CAPTAIN'S CHAIRS. BOTH CHILDREN WERE WATCHING THEIR IPADS. SUDDENLY WE HEARD WHAT SOUNDED LIKE A PISTOL BEING FIRED INSIDE THE CABIN, FOLLOWED INSTANTLY BY OUR 7 YR OLD SON ('SON') SCREAMING AND YELLING, 'IT HURTS, IT HURTS.' MY WIFE AND I BOTH TURNED AROUND AND SAW SON CLUTCHING HIS LOWER BACK. I NEGOTIATED THE CAR TO THE SHOULDER AND SAW THAT THE ENTIRE HOUSING/CASING OF HIS SEATBELT BUCKLE HAD SPONTANEOUSLY EXPLODED. THE BUCKLE WOULDN'T UNLATCH, BUT MY WIFE GOT HIM OUT OF THE SEAT AND EXAMINED HIM. HE HAD A PUNCTURE/GASH IN HIS LOWER BACK, WHERE SOME OF THE SHRAPNEL HAD HIT HIM. WE FOUND BOTH PLASTIC AND METAL SHARDS IN THE CAR. TO GIVE YOU AN IDEA OF THE FORCE THE EXPLOSION CAUSED, THERE WAS ALSO A 2-4 INCH HOLE IN THE INTERIOR DOOR'S PANELING. ONLINE RESEARCH SUGGESTS THAT A PRETENSIONER MAY HAVE MALFUNCTIONED; A GMC SERVICE MANAGER STATED THAT THE SECOND-ROW CAPTAIN CHAIR SHOULD NOT HAVE A PRETENSIONER.

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AFTER PICKING UP OUR NEW TRUCK WE NOTICED THAT THE VEHICLE'S ENGINE WAS SHORT JUMPING AT LOW SPEEDS, ESPECIALLY WHEN IN TRAFFIC - AT FIRST WHEN THIS OCCURS YOU HAVE TO ALMOST ASK YOURSELF DID I HIT THE GAS PEDAL INSTEAD OF THE BRAKES. AFTER ONLY A COUPLE WEEKS OF OWNERSHIP WE DROPPED OFF OUR NEW VEHICLE TO BE REPAIRED. DEALER 'S GMC CERTIFIED TECHNICIAN HAD TO CONSULT WITH GMC CORPORATE TO HELP TROUBLESHOOT AND THEN DECIDED TO REPLACE THE LOWER AND UPPER ENGINE VALVE COVERS, AND THE TRANSMISSION CONTROL MODULE; WHICH WAS A QUICK FIX THAT LASTED A LITTLE OVER A WEEK. NOW OUR BRAND NEW VEHICLE IS ONCE AGAIN A LEMON AND REPEATING THE ORIGINAL ISSUE. AFTER CONTACTING GMC AND AFTER REQUESTING ANOTHER SAFER NEW VEHICLE SINCE ITS COMMON SENSE THAT A BRAND NEW TRUCK SHOULD NOT HAVE ANY INTERNAL ENGINE OR TRANSMISSION PROBLEMS BEING THAT WE HAVE A FOUR YEAR OLD, TWO YEAR OLD, AND A NEWBORN, I AM A CONCERNED FOR MY FAMILY'S SAFETY; GMC CORPORATE RESPONSE WAS "DON'T YOU THINK THAT 1 CAR IN 300,000 WOULD HAVE AN ISSUE"... AT THE END WE ARE NOT TALKING ABOUT A LOOSE BELT OR WHEEL OUT OF BALANCE, BUT AN INTERNAL PROBLEM WHICH THERE TECH TOLD MY WIFE THAT HE COULD NOT GUARANTEE THAT THE CARE WAS SAFE DURING HIS TEST DRIVE. THE DEALER'S MANAGER RESPONSE WAS "THE CAR IS NOT OUR PROBLEM WHEN IT LEAVES OUR LOT", IT THEN FALLS UNDER THE MANUFACTURE WARRANTY; WHICH MAKES SENSE, BUT ONCE AGAIN WE ARE TALKING ABOUT A BRAND NEW CAR, NOT A CAR THAT HAS SOME USAGE. NOW TWENTY DAYS IN THE SHOP AND ONLY 2,000 MILE ON THE VEHICLE THEY DECIDED TO REPLACE THE TRANSMISSION, BUT STILL CAN'T TELL US WHAT IS WRONG WITH THE VEHICLE; WHICH NOW WHEN BRAKING ON THE HIGHWAY IT DOWNSHIFTS HARD AND ALMOST FEELS LIKE SOMEBODY REAR ENDED YOU.

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MY RECENT TRIP FROM CONNECTICUT TO ATLANTA,GA AND THEN TO VERO BEACH ,FL WAS DRIVEN AT NIGHT.I FOUND MYSELF HAVING TROUBLE SEEING ANY ROAD SIGN HANGING HIGH, AND MOST ROAD SIGNS IN GENERAL UNLESS I USED MY HIGH BEAM LIGHTING. I BROUGHT MY CAR TO THE GMC DEALERSHIP IN BOTH VERO BEACH,FL AND WATERTOWN, CT WHERE I BOUGHT THE CAR. IT WAS FOUND TO HAVE A VERY SHARP CUT OFF OF LIGHT AND WITH IN THE DESIGN TOLERANCE. BOTH DEALERS HAVE NO CLUE AS IT IS IN GMC TOLERANCE AND THERE IS NO REPLACEMENT LIGHT BULB FOR THE LIGHT ASSEMBLY. THEY BOTH AGREE THERE IS A DESIGN PROBLEM. I AM NOW STUCK WITH A NEW CAR THAT HAS BAD LIGHTING AND WILL NEED ADDITIONAL LIGHTING OR GET A NEW CAR FROM SOMEONE OTHER THAN GMC. I DID CONTACT GMC AND WAS TOLD THAT THERE WAS NOT MUCH THEY COULD DO AS IT WAS PER DESIGN.MY CAR HAS NO ADDITIONAL LIGHTING, NOT EVEN A FOG LIGHT. JUST RECEIVED A CALL FROM GMC. THE CAR IS OK BY ITS DESIGN, AND AS OF NOW I HAVE NO MORE OPTIONS.

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TL* THE CONTACT OWNS A 2015 GMC ACADIA. THE CONTACT STATED THAT THE LOW BEAM HEADLAMP ASSEMBLY WAS EXTREMELY DIM. DURING EVENING HOURS, THE CONTACT HAD TO APPLY THE HIGH BEAMS BECAUSE THE VISIBILITY WAS POOR. THE DEALER WAS NOTIFIED OF THE FAILURE AND INDICATED THAT THE LOW BEAMS MET THE MANUFACTURER'S STANDARDS. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND DID NOT PROVIDE A REMEDY OR MODIFICATION TO IMPROVE THE VISIBILITY. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS UNKNOWN. UPDATED 09/21/15*LJ UPDATED 3/29/2016*JS UPDATED 11/22/2017*CN

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TL* THE CONTACT OWNS A 2015 GMC ACADIA. AFTER DRIVING ONE HOUR OR LONGER, THE CONTACT WOULD GET SEVERE HEADACHES DUE TO THE POSITION OF THE HEAD RESTRAINT. THE CONTACT HAD TO REMOVE THE HEAD RESTRAINT DUE TO THE HEADACHES. THE DEALER STATED THAT THE NEW DESIGN WAS A SAFETY REGULATION AND COULD NO LONGER BE TURNED AROUND. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 200. UPDATED 09/03/15*LJ UPDATED 10/19/2017*CN

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BAD SHIFTING IN TRANSMISSION WHEN YOU SLOW DOWN OR COME TO A STOP AND TURN RIGHT AND ACCELERATE AT THE SAME TIME. THIS HAPPENS ON THE 2014 AND 2015 MODELS, TRANMISSION WILL STUTTER AND ABRUPTLY SHIFT INTO A LOWER GEAR. ON THE ACADIA FORUMS IT IS DOCUMENTED BY OTHER OWNERS AS WELL (APPROX 30-50 OTHER OWNERS). THE TRANSMISSION NEEDS A REPROGRAM TO ACCOUNT FOR THIS ISSUE. GM APPEARS TO NOT BE DOING ANYTHING ABOUT THIS COMMON ISSUE.

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LEFT VEHICLE PARKED ON INCLINE WITH PARKING BRAKE SET. RETURNED TO VEHICLE, STARTED ENGINE, RELEASED PARKING BRAKE , PUT VEHICLE IN DRIVE. THE GEAR INDICATOR ON THE DASH SHOWED THE CAR WAS IN DRIVE. THE GEAR SELECTOR IN CENTER CONSOLE INDICATED IT WAS IN DRIVE. STEPPING ON GAS RESPONDED WITH ONLY INCREASED RPM. VEHICLE BEGAN TO ROLL RAPIDLY IN REVERSE. THE POWER STEERING AND POWER BRAKES WERE NOT WORKING (ALMOST LIKE IT WAS IN PARK). THE VEHICLE WAS NEARLY UNCONTROLLABLE AND ALMOST RESULTED IN SEVERE INJURY AS A COUPLE AND THEIR DOG WERE WALKING BEHIND VEHICLE ON SIDEWALK AT TIME OF INCIDENT. AFTER EXERTING A SIGNIFICANT AMOUNT OF FORCE ON THE BRAK PEDAL THE VEHICLE STOPPED. I APPLIED THE PARKING BRAKE AND SHIFTED TO PARK. SHIFTED BACK TO DRIVE WITH THE SAME RESULT ROLLING BACK FURTHER NEARLY HITTING A BRICK MAILBOX. I THEN PUT TH CAR IN PARK AND TURNED IT OFF RESTARTED AND SHIFTED BACK TO DRIVE, THE VEHICLE THEN PERFORMED AS EXPECTED. VERY FORTUNATE THIS INCID T WAS NOT A DEADLY ACCIDENT. THIS SAME PROBLEM EXHIBITED ITSELF ON LEVEL GROUND ON W PREVIOUS OCCASION BUT WAS DISMISSED AS AN ISOLATED INCIDENT, BUT IT HAS HAPPENED MULTIPLE TIMES NOW.

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