2012 GMC ACADIA Power Train Problems

42 complaints about Power Train

42
Complaints
2
Crashes
0
Fires
0
Deaths

High Severity Issue

This component has been associated with crashes, fires, or deaths.

This Problem Across All Years

All Power Train Complaints (42)

Aug 18, 2025

The transmission has all the symptoms of a broken wave plate and/or torque convertor as reported in the first generation T75 transmission service bulletin. This started occurring at 120K. I know the service bulletin was for the 2007-2009 models but the 2012 had the same exact transmission and waveplate. The car feels like it's going to shudder out and die on the highway.

Jun 22, 2025

Ratle sound in the engine thinking it may be the timing chain. Code p0430 came on stating catalytic converter bank 2 needs replaced. We replaced o2 sensor downstream on bank 2 code was cleared by shop. After driving a few miles same check engine light came on and i took it to the shop they hooked it up to run the code and it was the same p0430 again

Apr 25, 2024

Transmission is slipping, shuddering at low speeds making car unsafe to drive

Apr 10, 2024

TRANSMISSION STARTES SLIPPING THEN WENT OUT

Jan 27, 2024

I noticed shuddering while driving my car and when I took it to my mechanic upon test driving and inspecting it he realized the torque converter is not strong enough for the size of the car. He informed me driving it with the improper size will cause it to shudder and accelerate or not accelerate correctly while driving and cause slipping while shifting gears. Those issue have been happening the entire time I've had it and if the car slips and goes too fast or slips and loses power it is a danger to me and the other cars on the road. There were no codes or warning indicators while this is happening.

Sep 22, 2023

The contact owns a 2012 GMC Acadia. The contact stated that while driving 70 MPH, the RPM would rise to 4,000 however, the vehicle failed to respond as intended. The check engine warning light was illuminated. The contact pulled over to the side of the road and inspected the vehicle and became aware of smoke coming from the engine compartment. The vehicle was towed to an independent mechanic where it was diagnosed that the engine block, camshaft, reverse gear, and transmission housing needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 158,000.

Mileage: 158,000

Aug 19, 2023

No warning light when transmission went out. Traction control/stabiltrac service light came on, doors locking and unlocking, not stating what gear acadia was in. Check engine light eventually came on, after it stalled twice on highway. Vehicle is at gmc dealership service department and they are saying its not communicating and are checking wiring harness wires. I have replaced transmission and torque converter and now i dont know what to expect now. Only had it for 3 years so far. I almost got rear ended when it stalled twice before backfiring and a rough swift shift.

Jun 13, 2023

The automatic passenger side window does not work anymore, it went out a couple months after I bought it. I have always done maintenance on my vehicle, oil changes, tires, etc. and the timing chain went out on it for some unknown reason. Very pricey to fix. I would hate to be stranded with my 6 grandchildren with. With all the complaints on the timing chain, this should be a recall.

Jul 2, 2022

We just purchased this 2012 gmc acadia about 30 days ago and every day we drive it we have this issue.. from a complete stop when pressing the gas the truck feels like it has no power starting to go until the rpm’s each maybe 4500 then the truck will jerk and studder through the intersections. i feel like we are going to be in a MAJOR accident while proceeding through intersections. the dealer states there is nothing they can do. there is absolutely something wrong when it jerks and stutters to move

Sep 13, 2021

The contact owns 2012 GMC Acadia. The contact stated that the vehicle was taken for the state-mandated smog test and he was informed that there was an issue with the transmission. The contact took the vehicle to the local dealer to be diagnosed. The contact was informed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 104,000.

Mileage: 104,000

Sep 5, 2021 Crash

Was waiting on dealership to catch up to bring in for a transmission problem. I know it is transmission related due to not wanting to shift properly and the fact my friend has same make and model only about 100000 more miles than mine does was doing same symptoms and she took to 3 or 4 mechanics and all said nothing wrong..no codes show up...needless to say after about 2 months it stalled out on her on interstate with speed limit 75 and she barely moving. I myself was at a sharp curve in turn lane waiting on traffic and when I braked to stop it made horrible sound and felt like brake was pushed through floorboard. When I was clear to go i push accelerator down to the floor and am barely inching along and am now stuck in the road in a 90 curve where its hard to see traffic coming. This was very scary and traumatic having this happen. I'm just glad it was only myself and the other drivers were being observant and paying attention to the road. This has happened a lot compared to research on blogs car complaints websites. The common problem is it doesn't give a code when diagnostic checked. 99% of cases show they best guess or find something else wrong and you pay 3 or 4 charges until you finally convince them its the transmission and then you're out 5000. Not counting the average 4500 you've already pd due to not listening to the driver of their vehicle and causing unnecessary charges and leaving you without a vehicle too long that isn't necessary.

Mar 14, 2021

WHEN IT IS PARKED AND IDLING IT SOUNDS LIKE IT WANTS TO STALL. WHEN I AM DRIVING IT IT SHIFTS HARD AND THE TRANSMISSION STARTS SLIPPING. I TOOK IT TO A REPUTABLE MECHANIC FOR AN ASSESSMENT OF THE PROBLEM AND HE SAID HIS COMPUTER SAID THAT IT WAS THE TRACTION CONTROL MODULE IN THE TRANSMISSION AND THAT IT WOULD COST ABOUT $1500 TO REPAIR IT INCLUDING LABOR. HE CALLED THE DEALER TO SEE IF IT WAS IN STOCK AND THEY SAID THEY HAD MANY OF THEM. I WOULD ASSUME THAT THEY WOULD NOT STOCK A $700 PART IN THAT QUANTITY IF THEY WERE NOT HAVING QUITE A FEW PROBLEMS WITH THIS PART. OTHER SUV'S HAVE BEEN RECALLED AND I WAS WONDERING WHY MINE WAS NOT. I WOULD APPRECIATE IT IF YOU COULD LOOK INTO THIS MATTER FOR ME AND GET BACK TO ME WITH AN EXPLANATION. THANK YOU FOR YOUR TIME AS I MAY BE GETTING STUCK SOMEWHERE WITH MY WIFE AND CHILDREN IN THE CAR..

Mileage: 98,100

Feb 20, 2021

INSTRUMENT CLUSTER MALFUNCTIONS WHILE DRIVING. ALL GAUGES STOP RESPONDING AND AUTOMATIC CONTROLS BECOME DISABLED. ALL DASHBOARD GAUGES BECOME DISABLED AND UNRESPONSIVE AND LOOSES INFORMATION. THE DASHBOARD LIGHT BRIGHTENS TO DAY MODE. AUTOMATIC LIGHT SYSTEM, CRUISE CONTROL, AUTOMATIC LOCK SYSTEM, BLINKER INDICATOR, RADIO, DVD PLAYER, SEAT BELT SIGNAL, DRIVER DOOR BUTTONS, AND HOLOGRAPHIC DISPLAY BECOME DISABLED. INFORMATION READS PARK ASSIST OFF, SERVICE AIR BAGS, CHECK GAUGES AND ALL FAULT LIGHTS DISPLAY. ISSUES OCCUR WHILE DRIVING AND RELATIVELY. THE ONSET, FREQUENCY AND DURATION OF ISSUES FLUCTUATE AT RANDOM.

Mileage: 144,000

Dec 25, 2020

MY 2012 ACADIA ONLY HAS 112,000 MILES ON IT, AND I AM HAVING TRANSMISSION ISSUES. IT STARTED AS A VIBRATION (WASHBOARD SOUND) FOR ABOUT 5 SECONDS WHEN YOU WERE TRAVELING AT 55 TO 65 MPH. I HAVE HAD MY VEHICLE SERVICED REGULAR. AFTER HAVING IT IN THE SHOP 3 TIMES FOR THE SAME VIBRATION, I WAS FINALLY TOLD IT COULD BE THE TRANSMISSION. IT IS SAD THAT I HAVE SUCH A NICE VEHICLE AND WILL HAVE TO TRADE BECAUSE GM WILL NOT DO ANYTHING ABOUT THE FAULTY TRANSMISSION. TO REPLACE THE TRANSMISSION IT WILL COST AT LEAST $5,000.00. THIS COULD KEEP ME FROM PURCHASING ANOTHER GMC. THE PROBLEM IS ON GOING UNITL I DECIDE, REPAIR OR TRADE.

Mileage: 110,000

Nov 16, 2020

THE TORQUE CONVERTER IS FAILING PER DUBLIN GMC. THAT IS THE CAUSE OF THE STUTTERING. IN ADDITION, THE REAR LIFT GATE HAS FAILED AND WILL NOT STAY OPEN IN EITHER POWER OR MANUEL MODE. APPARENTLY MY VEHICLE MANUFACTUR DATE IS OUT SIDE THE RECALL MONTHS FOR THIS RECALL (PER DUBLIN GMC AND SELF CHECK ON THIS WEBSITE) RECALL # 5420 AND NHST #15V415000. HOW DO I GET THE MFG TO PAY FOR THIS POTENTIALLY LETHAL FAILURE (IT ALMOST GOT ME WHEN IT FAILED AS I WAS TAKING GROCERIES OUT OF BACK)

Mileage: 115,000

Aug 31, 2020

THE TRANSMISSION IS SLIPPING OR SHUDDERING UNDER CERTAIN CONDITIONS. MOST FREQUENTLY NOTICEABLE AROUND THE SHIFT POINTS BETWEEN 2ND&3RD, OR 3RD & 4TH, ESPECIALLY WHEN THE ENGINE IS DOWNSHIFTING TO CLIMB A HILL. THERE IS A STRONG VIBRATION AND RPM BOUNCE A BIT BEFORE IT FINALLY ENGAGES AFTER A COUPLE SECONDS. I HAVE RECENTLY LEARNED THAT ACADIAS HAVE A LONG HISTORY OF TRANSMISSION PROBLEMS, NOTABLY THE TORQUE CONVERTER AND WAVE PLATE.

Mileage: 165,000

May 8, 2020

TL* THE CONTACT OWNS A 2012 GMC ACADIA. THE CONTACT STATED THAT THREE DAYS AFTER THE VEHICLE WAS PURCHASED, THE CONTACT WAS UNABLE TO START THE VEHICLE. THE CONTACT ALSO STATED THAT THE CHECK ENGINE WARNING LIGHT LATER ILLUMINATED. THE VEHICLE WAS TAKEN TO KINDLE AUTO PLAZA FORD (523 STONE HARBOR BLVD, CAPE MAY COURT, (609) 465-5000), WHERE THE STARTER, THE TIMING CHAIN AND THE TRANSMISSION WERE REPLACED. ADDITIONALLY, THE AIR BAG SENSOR LIGHT ILLUMINATED WHILE DRIVING AT AN UNKNOWN SPEED. THE VEHICLE WAS TAKING TO THE SAME DEALER, WHERE THE FRONT PASSENGER'S AIR BAG SENSOR WAS REPLACED. THE SENSOR FAILURE RECURRED SEVERAL TIMES AND THE DEALER REFERRED THE CONTACT TO THE NHTSA. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 91,000.

Mileage: 91,000

Dec 23, 2019

WELL GM STRIKES AGAIN. I JUST SUBMITTED A TRANSMISSON WITH MY 2014 SILVERADO BUT IT LOOKS LIKE MY 12 ACADIA HAS THE SAME TRANSMISSION ISSUE. WE BOUGHT THIS ACADIA USED AND WITHIN THE FIRST YEAR OF OWNING THE TRANSMISSION FAILED DUE TO A KNOWN ISSUE BY GM. I ALMOST GOT REAR ENDED TODAY BECAUSE THE TRANSMISSION SHUTTERED SIGNIFICANTLY ENOUGH THAT THE CAR WOULDNT GO. I AM EXTREMELY ANNOYED. I THINK ITS TIME WE GO TO ANOTHER MANUFACTURER...THE 35R CLUTCH WAVE PLATE IS JUNK AND SENDS METAL THROUGHOUT TRANS AND DESTROYS IT.

Mileage: 118,000

Oct 29, 2019

THE CAR SPUTTERS AND HESITATES WHEN CHANGING GEARS. I TOOK IT TO A GMC DEALER AND FOUND OUT THE TORQUE CONVERTER AND TRANSMISSION WERE BAD. I RESEARCHED AND FOUND MULTIPLE COMPLAINTS OF THIS HAPPENING WITH THE GMC ACADIA. I RECEIVED A PRICE OF APPROXIMATELY $4500 TO CORRECT THE ISSUE. I DID CONTACT GMC AND WAS TOLD NO ASSISTANCE WOULD BE OFFERED.

Mileage: 118,000

Aug 23, 2019

WHEN DRIVING MY CAR AND HOLDING THE SPEED AT 50-60MPH THE RPM BEGIN TO FLUCTUATE AND THE CAR SHUDDERS. ALSO WHEN GOING UP HILLS IT DOES THEM SAME THING AND AND FEELS AS IF IT HAS A HARDER TIME SHIFTING.MY CAR ONLY HAS 97944 MILES ON IT.

Mileage: 97,500

Aug 2, 2019

THE RPM GAUGE IS FLUCTUATING UP AN DOWN WHEN I'M DRIVING DOWN THE ROAD, HIGHWAY, CITY ROADS IT IS HAPPENING WHEN COLD OR WARM AND IT DON'T MATTER IF IT'S FLAT ROADS OR A INCLINE. IT BEEN HAPPENING MORE AN MORE NOW.

Jun 27, 2019

UNDER ACCELERATION THE VEHICLE SHUTTERS BETWEEN 1100-2300 RPM THE VEHICLE SHAKES AND IS A VERY COMMON ISSUE WITH ALL OF THESE VEHICLES THIS MAJOR TRANSMISSION ISSUE MUST BE ADDRESSED AS THIS IS A WAVE PLATE ISSUE IN THE FUNCTIONALITY OF THE TRANSMISSION MY VEHICLE IS CURRENTLY AT 86,000 MILES AND IS EXPERIENCING THIS ISSUE AND MUST ME ADDRESSED IF NOT THIS CAN RESULT IN A SUDDEN LOSS IN POWER ON THE HIGHWAY CAUSING A POTENTIAL ACCIDENT THIS RECALL WAS EXECUTED ON THE 2007-10 ACADIA, TRAVERSE, OUTLOOK. NUMBER 10126145.

Mileage: 77

May 17, 2019

CAR MAKE SOME VIBRATION AND LOSS POWER AT BETWEEN 2000 AND 2700 RPM, WHEN I MAKE SOME ACELETION ON LOW RPM, AND MAKE SOME NOISE WHEN TRANSMITION NEED CHANGE GEAR, UP O DOWN, ON LOW RPM, DEALER IN FIRST TIME, SAY THE PROBLEM WAS A THROTTLE BODY, AND I FIXED, BUT A PROBLEM KEEP GOING, WENT I RETURNER TO DEALER SHOP, NOW THEY SAY IT'S A TRAMITION PROBLEM.

Apr 8, 2019

WHILE DRIVING AT HIGHWAY SPEEDS LAST WEEK MY 2012 AWD ACADIA HAVING A MAJOR MALFUNCTION. 1. WHILE DRIVING, DOOR LOCKS ENGAGE/DISENGAGE 2. TRANS APPEARS TO SLIP INTO NEUTRAL (HIGH REV/ NO POWER) 3. ON THE DASHBOARD DIGITAL READOUT THE TRANSMISSION "BLINKED" INTO P FROM D (WHILE DRIVING) 4. TRACTION CONTROL ENGAGES/DISENGAGES AND THE VEHICLE LURCHES FORWARD AND HARD STOPS 5. TRANS ENTERS SOME SORT OF LIMP HOME MODE WHERE IT ALLOWS ME TO DRIVE ONLY UP TO 60MPH, @4000 RPM (LIKE 3RD GEAR) THIS PROCESS REPEATED CONTINUALLY FOR OVER AN HOUR DRIVE TO THE DEALER, NORMAL OPERATION APPEARED TO OCCUR AT SPEEDS BELOW 45MPH, BUT ONLY TEMPORARILY AND THE ISSUE CONTINUED AGAIN AT THE LOWER SPEEDS. I CALL ONSTAR AND THEY PULL CODES FOR ME WHILE ENROUTE TO THE DEALER: ECM CODE =U0101 TCM CODE= NONE (FAILED TO PROBE MODULE) ABS CODE= U0101 ABS CODE= C0561 (ISSUE WITH TRACTION CONTROL SYSTEM)- "SERVICE WITHIN 7 DAYS" A QUICK SEARCH IN AUTOMOTIVE FORUMS REVEALS SEVERAL OTHER PEOPLE WITH ALMOST THE EXACT SAME ISSUE, WITH NO SPECIFIC SOLUTIONS.

Mileage: 98,500

Mar 14, 2019

THE ENGINE MISSES AND HAS SEVERE CARBON BUILDUP ON THE VALVES. THE INTAKE BOOT AND INTAKE MANIFOLD ARE COVERED IN OIL RESIDUE FROM THE BREATHER TUBE FOR THE MOTOR. THE TRANSMISSION STARTED HAVING ISSUES AT 100K. IT HESITATES, SHUTTERS, AND FAILS TO CHANGE GEARS WHILE DRIVING AT HIGHWAY SPEEDS. THE TRANSMISSIONS ARE A KNOWN ISSUE AND I DONT UNDERSTAND HOW THIS IS NOT A RECALL.

Mileage: 100,000

Mar 12, 2019

TL* THE CONTACT OWNS A 2012 GMC ACADIA DENALI. THE CONTACT STATED THAT THE VEHICLE OFTEN DECELERATED INDEPENDENTLY AND WOULD NOT EXCEED 30 MPH. ALSO, THE DOORS WOULD UNLOCK AND "SERVICE STABILIZER BAR AND SERVICE TRACTION DEVICE" APPEARED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AUTONATION OF LAUREL (500 WASHINGTON BLVD, LAUREL, MD 20707, (866) 255-2985) WHERE IT WAS DIAGNOSED THAT A NEW WIRING HARNESS NEEDED TO BE INSTALLED. THE VEHICLE WAS REPAIRED. TWO WEEKS LATER, THE REPAIR FAILED. THE VEHICLE WAS TAKEN BACK TO THE DEALER THREE TIMES FOR REPAIRS AND WAS CURRENTLY WAITING ON ANOTHER REPAIR REGARDING THE TRANSMISSION'S MODULAR HARNESS. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURES. THE FAILURE MILEAGE WAS 89,000. THE VIN WAS UNKNOWN.

Mileage: 89,000

Oct 29, 2018

TL* THE CONTACT OWNS A 2012 GMC ACADIA. THE CONTACT STATED THAT THE TRANSMISSION HAD BEEN SLIPPING IN ANY GEAR FROM SHIFTING OUT OF PARK. THE CONTACT HAD TO APPLY THE EMERGENCY BRAKE TO PREVENT A POTENTIAL FAILURE IF IT MAY PROGRESS WITH NO WARNING WHILE CHANGING GEARS. THE VEHICLE HAS BEEN INSPECTED BY AN INDEPENDENT MECHANIC WHO SUGGESTED THAT THE VEHICLE BE TAKEN TO A DEALER FOR INSPECTION, DIAGNOSIS AND TO DETERMINE IF THERE WAS A RECALL TO SERVICE THE TRANSMISSION. A DEALERSHIP HAS NOT BEEN CONTACTED YET. THE MANUFACTURER WAS CONTACTED, HAD ISSUED 38 TSB ON POWER TRAIN AND NO RECALLS FOR POWER TRAIN/TRANSMISSION YET. THE VEHICLE WAS NOT REPAIRED YET. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 115,116.

Mileage: 115,116

May 9, 2018

VEHICLE JERKS AT CERTAIN SPEEDS, OIL IN THROTTLE BODY, SLOW CHANGING GEARS, RPM'S NOT ADJUSTING CORRECTLY . THIS HAPPENS EVERYDAY USUALLY BETWEEN 30-50 MILES PER HOUR. AIRBAG LIGHT STAYS ON AT ALL TIMES AND NEVER GOES OFF.

Mileage: 137,000

Apr 17, 2018

WHILE ACCELERATING, THE VEHICLE WILL SHUDDER AND JERK, EVEN VIBRATE VIOLENTLY AT TIMES. THE RPM METER JUMPS UP AND DOWN WHILE IT DOES THAT. YOU CANNOT GIVE IT GAS WHILE IT IS DOING THIS (YOU CAN BUT IT DOES NOT ACCELERATE). I WAS ON THE INTERSTATE WHEN THE VEHICLE BEGAN TO DO THIS AND STARTING LOSING SPEED QUICKLY. LUCKILY, THAT TIME IT ONLY LASTED A FEW SECONDS BEFORE I WAS ABLE TO SPEED BACK UP. THIS COULD EASILY CAUSE A WRECK. TOOK IT TO THE DEALER AND THEY FOUND NO ERROR CODES OR ISSUES. I EXPLAINED WHAT IT WAS DOING DIRECTLY TO THE MECHANIC AND HE KNEW IMMEDIATELY IT WAS THE TORQUE CONVERTER. HE EXPLAINED THAT MY ACADIA WOULD NOT GO WHILE IT WAS JERKING BECAUSE THE CAR IS STUCK IN BETWEEN GEARS. APPARENTLY A VERY COMMON ISSUE WITH THE ACADIA BUT NO RECALLS. EVEN THOUGH I AM STILL WELL UNDER THE MILEAGE OF MY WARRANTY, GM WILL NOT COVER THE COST TO FIX BECAUSE MY WARRANTY EXPIRED A FEW MONTHS AGO.

Mileage: 81,000

Nov 13, 2017

VEHICLE SHUDDERS AND ENGINE SURGES IF ENGINE RPMS DROP UNDER 22OO. CAR DOES NOT DRIVE SMOOTHLY. HAS TRIPPED INTO "LIMP HOME MODE" WHILE DRIVING ON 4 LANE HIGHWAY AT 60MPH. VEHICLE HAD TO BE TOWED. DEALER "SAID THERE WAS NOT ERROR CODE TO REPAIR", HAVE TAKEN IT IN ON 4 DIFFERENT OCCASIONS WITH A REPAIR TO FUEL RELAY REPAIR, MOTOR MOUNT, AND TWICE WITH NO REPAIR BEFORE WARRANTY WAS UP, NOW OUTSIDE OF WARRANTY IN MILEAGE. THIS VEHICLE IS NOT SAFE. PROBLEM HAS BEEN GOING ON SINCE AUGUST 2017.

Mileage: 97,000

Jul 21, 2016

VEHICLE SHUDDERS AND JERKS AT ALL SPEEDS. IT IS PARTICULARLY WORSE AT LOWER SPEEDS. THE AUTOMATIC TRANSMISSION IS ACTING LIKE SOMEONE IS POPPING THE CLUTCH ON AN MANUAL TRANSMISSION. IT IS SCARY AND DANGEROUS TO DRIVE WHEN THIS IS HAPPENING, HOWEVER IT ONLY HAPPENS INTERMITTENTLY. HAVE FOUND MANY SIMILAR COMPLAINTS VIA GOOGLE, HOWEVER CANNOT GET DEALER TO ADDRESS THE ISSUE AS NO ERROR CODES ARE PRESENT AND THEY CANNOT RECREATE THE ISSUE.

Mileage: 32,000

Jul 5, 2016

WHEN OPERATING AT VARIOUS SPEEDS, INCLINES, AND VARIOUS TEMPERATURES, IT LURCHES, FLUCTUATIONS ON TACHOMETER. DEALER HAS KNOWN ABOUT THE ISSUE SINCE I BOUGHT IT BRAND NEW AND INFORMED ME THAT GENERAL MOTORS IS AWARE OF THE PROBLEM WITH TRANSMISSIONS WITH THIS YEAR AND MODEL, BUT HAS NO PLANS ON REPLACING TRANSMISSIONS OR ADDRESSING THIS. IT IS A DEFECT WITH MY 43,000.00 DOLLAR INVESTMENT, WHICH COULD DIRECTLY AFFECT THE VALUE OF MY INVESTMENT. THE MILEAGE IS 17,500. PLEASE INFORM ME AS TO WHAT CAN BE DONE ABOUT THIS. SINCERELY, [XXX] THANK YOU INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Mileage: 10

Jan 8, 2016

AROUND APRIL/MAY 2015 I BEGAN NOTICING ISSUES WITH MY VEHICLE WHEN SHIFTING, UPSHIFTING AND DOWNSHIFTING WHILE DRIVING. I TOOK IT INTO THE DEALERSHIP SEVERAL TIMES WITH COMPLAINTS OF THE TRANSMISSION SKIPPING, HESITATING, SPUTTERING, AND A VARIETY OF OTHER WORDS THAT I USED TO DESCRIBE THE ISSUE. THE PROBLEM CONTINUED TO BECOME WORSE. TIME AND TIME AGAIN THE DEALERSHIP TOLD ME THEY TEST DROVE THE VEHICLE, COULDN'T DUPLICATE THE ISSUE, AND COULDN'T DO ANYTHING FURTHER B/C NO CODE WAS COMING UP ON THE CAR. AGAIN, IN DECEMBER 2015, I TOOK MY CAR BACK IN BECAUSE THE PROBLEM WAS WORSENING. AGAIN, THE SAME STORY FROM THE DEALERSHIP. ONLY THIS TIME THEY SUGGESTED I SERVICE MY TRANSMISSION. I DID. THEN I WAS TOLD THAT THERE WAS CLUTCH MATERIAL IN MY TRANSMISSION FLUID WHICH MEANT THE CLUTCHES WERE FAILING AND I WOULD BE LOOKING AT A TRANSMISSION REBUILD SOONER RATHER THAN LATER. I ASKED WHAT IF ANYTHING COULD BE DONE, I WAS TOLD NOTHING BECAUSE THERE WERE NO CODES ON THE CAR. SO I HAVE A CAR THAT I PURCHASED 3 YEARS AND 3 MONTHS AGO BRAND NEW LOOKING AT A TRANSMISSION REBUILD. I THEN CONTACTED CORPORATE AND BEGAN THE PROCESS OF A FORMAL COMPLAINT. AFTER SPEAKING WITH CORPORATE AND THEN SUBSEQUENTLY THE DEALERSHIP AGAIN, THE DEALERSHIP TOOK MY CAR BACK IN. THIS TIME. THEY PULLED OUT THE TRANSMISSION, AND BEHOLD, THE 35R WAVE PLATE WAS CRACKED (WHICH I ASKED IF THAT WAS IT BACK IN MAY AFTER DOING SOME INTERNET RESEARCH AND SEEING THAT SEVERAL OTHERS HAVE HAD THIS EXACT SAME ISSUE WITH A CRACKED WAVE PLATE) AND THE TORQUE CONVERTER WAS REPLACED ALONG WITH A COUPLE OF OTHER ITEMS AND THE SYSTEM FLUSHED. IT SEEMS AS THOUGH THERE IS A DESIGN FLAW WITH THE TRANSMISSIONS THAT NEED TO BE CORRECTED. IF THIS IS SUCH A COMMON PROBLEM, WHY IS GMC ATTEMPTING TO PLAY DUMB WHEN THERE ARE OBVIOUS ISSUES AND PUSH THE COST OFF ONTO ITS CONSUMERS?I FEEL 100% THAT THE DEALERSHIP KNEW ALL ALONG.

Mileage: 89,000

Nov 24, 2015

THE FIRST THING THAT I WANT TO SAY IS THAT SOME OF THE RECALLS ARE NOT FOR THE 2012 MODEL BUT MINE HAS HAD THE ISSUES WITH THE FUEL MODULER NOT READING CORRECTLY AS IN ONE RECALL AND ALSO THE SHIFTER CLIP CAUSING THE VEHICLE TO NOT BE IN THE CORRECT GEAR. WHAT DO I DO? ALSO THE SECOND THING IS THE A/C BROKE WITHIN THE 3RD YEAR OF HAVING IT. THE THIRD THING TO GO WRONG IS THE POWER STEERING. IT COMES AND GOES BUT AS LONG AS I PUSH ON THE GAS I HAVE POWER STEERING. I'M VERY CONCERNED ABOUT THE FUEL MODULER BECAUSE MY DAUGHTER DRIVES THIS VEHICLE ALSO TRAVELING THE INTERSTATE TO WORK AND ALSO A VERY POPULATED SECONDARY ROAD.

Oct 2, 2015

WE GOT THIS CAR IN HOPES IT WOULD LAST 3 YEARS. WHEN WE DRIVE IT, THE TRANSMISSION SHUDDERS AND ACTS LIKE IT IS GOING TO DIE DRIVING DOWN THE ROAD. IT IS VERY DANGEROUS AND ANNOYING AND I'M AFRAID TO DRIVE IT. IT IS REALLY SUCH A SHAME, THE CAR SEEMS SO NICE BUT DRIVES WORSE THAN A SHERMAN TANK. IT SEEMS TO DO IT WORSE AT LOW SPEEDS, ON THE MILITARY BASE 15MPH 20MPH AVERAGE SPEED IT DOES IT CONSTANTLY. IT ALSO DOES IT ON THE HIGHWAY AT ANY SPEED.

Mileage: 99,000

Oct 2, 2015

TRANSMISSION SHUDDERS AND MAKES FOR A VERY UNEASY, UNCOMFORTABLE DRIVE. IT ACTS LIKE IT IS GOING TO DIE IN THE MIDDLE OF DRIVING DOWN THE HIGHWAY.

Mileage: 99,000

Mar 25, 2015 Crash

ON 03/07/15 AT APPROXIMATELY 1715 AT TYLER STATE PARK OUR VEHICLE WAS BACKED INTO THE PARKING SPACE ON A SLIGHT INCLINE AT CABIN ONE. OUR 3 YEAR OLD DAUGHTER WAS IN OUR 2012 GMC ACADIA IN THE DRIVER SEAT AND OUR FRIEND'S 9 YEAR OLD SON WAS IN THE PASSENGER SEAT; WITH THE VEHICLE IN PARK THE IGNITION TURNED OFF AND THE KEYS IN MY HUSBAND POCKET. OUR 3 YEAR OLD DAUGHTER WAS ABLE TO GET THE VEHICLE OUT OF PARK AND INTO DRIVE, CAUSING THE VEHICLE TO ROLL FORWARD DOWN THE INCLINE, ACROSS THE STREET AND HITTING TWO TREES. THIS CAUSED DAMAGE TO THE BUMPER AND RIGHT QUARTER PANEL CAUSING THE PASSENGER DOOR TO CATCH ON THE METAL FRAME WHEN OPENING THE DOOR AND THE FRONT END OF VEHICLE SHAKES WHEN DRIVEN BETWEEN 65MPH-70 MPH. BOTH CHILDREN WERE OK WITH JUST BUMPS ON THEIR HEADS. I CALLED THE GM DEALER IN TYLER, TX AND WAS ADVISED BY [XXX] TO CONTACT A GM DEALER WHEN I RETURNED HOME SINCE THE VEHICLE WAS DRIVABLE AND WE WERE ON VACATION. ON MONDAY MARCH 16, 2015 AT APPROXIMATELY 0715 I CALLED TEXAN GMC AND SPOKE WITH [XXX] AND ADVISED HIM OF WHAT HAS HAPPENED WITH THE VEHICLE WHILE ON VACATION. [XXX] ADVISED ME I COULD BRING THE VEHICLE IN TO HAVE THE RECALLS FIXED BUT I WOULD NEED TO CALL GMC CUSTOMER SERVICE @ 800-222-1020 AND GET AND INCIDENT REPORT STARTED WITH THEM AND SEE WHEN THEY WOULD LIKE TO HAVE A TECHNICIAN TAKE A LOOK AT THE VEHICLE. I CALLED GMC SPOKE WITH [XXX] AND SHE GAVE ME A CLAIM #[XXX] I THEN TOOK THE VEHICLE TO HAVE DIAGNOSTIC TESTING DONE ON MONDAY 03/16015 AND WAS CALLED ON MONDAY 03//23/2015 ADVISING ME THAT THERE WERE NO FINDING OF A MALFUNCTION WITH THE VEHICLE AND THAT GM WILL NOT BE FIXING ANY DAMAGE TO MY VEHICLE THAT WAS A RESULT TO THIS INCIDENT. NO MATTER THEIR FINDINGS THERE IS A MALFUNCTION SOMEWHERE AND I FEEL THAT GM DOES NOT WANT TO ADMIT TO THERE BEING A MALFUNCTION. I JUST WANT THE ISSUE FIXED SO THIS DOES NOT HAPPEN AGAIN. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Mileage: 69,662

Dec 30, 2014

WHILE DRIVING 30 MPH ON A CITY STREET THE DRIVE SHAFT OF MY 2012 GMC ACADIA FELL OFF. I WAS ABLE TO QUICKLY MOVE MY VEHICLE INTO A PARKING LOT TO AVOID FURTHER DAMAGE. UPON INSPECTION WITH THE TOW TRUCK DRIVER WE NOTED THAT THE AWD DRIVE SHAFT FELL FROM THE UNDER CARRIAGE OF MY VEHICLE. IT SEEMS THAT ALL SIX BOLTS HAD FALLEN OFF THIS DRIVE SHAFT. INITIALLY THE GMC DEALERSHIP REFUSED TO REPAIR MY VEHICLE WHICH IS UNDER A 5 YEAR 100,000 WARRANTY AS THEY SAID THE VEHICLE MUST HAVE BEEN SABOTAGED BUT THEY COULD NOT PROVIDE ANY PROOF. I POINTED OUT TO THE SERVICE MANAGER THAT THERE WAS NO EVIDENCE OF ANY SABOTAGE AND LET HIM KNOW THAT I WOULD BE PURSUING A WARRANTY CLAIM WITH GMC CORPORATE AS WELL AS MA DEPT OF CONSUMER AFFAIRS. THE SERVICE MANAGER CALLED ME BACK ABOUT 30 MINUTES LATER TO LET ME KNOW THAT THE GENERAL MANAGER AGREED TO REPAIR MY VEHICLE THIS ONE TIME WAS WHILE RESPONSIVE TO MY REQUEST DID NOT APPEAR TO ADDRESS A POTENTIALLY LARGER SAFETY ISSUE. I INQUIRED ABOUT REPORTING THIS INCIDENT TO THE NHTSA AND THEY DID NOTHING WHICH IS WHY I AM CONTACTING THIS ORGANIZATION DIRECTLY. *TR UPDATED 1/29/16 *JS

Mileage: 30,000

Dec 26, 2014

TL* THE CONTACT OWNS A 2012 GMC ACADIA. THE CONTACT STATED THAT WHEN ATTEMPTING TO ACCELERATE WHEN IN DRIVE, THE VEHICLE JERKED. THE FAILURE RECURRED MULTIPLE TIMES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

Aug 28, 2014

EITHER I GOT A LEMON, WHICH IS DEFINITELY A POSSIBILITY, OR THERE ARE SIGNIFICANT ISSUES W/ GMC AS A MANUFACTURER WHICH IS EVIDENT. THE AMERICAN CAR INDUSTRY JUST WON'T DO BUSINESS DIFFERENTLY BUT THEN AGAIN, THEY DON'T HAVE TO- THEY GET BAILED OUT BY THE GOVERNMENT REPEATEDLY. I LEASED THIS VEHICLE IN OCTOBER, 2012. THE ISSUES CITED ABOVE, WERE RELATED TO 3 BAD FUEL IGNITION VALVES, THEY WERE REPLACED FINALLY AFTER I TOOK THE CAR BACK TO 2 DIFFERENT DEALERS AND NEARLY 6 MONTHS OF COMPLAINING. THE ISSUE WAS WHEN ACCELERATING, THE RPMS WOULD STICK AT AROUND 5-6 WHEN I WAS TRAVELING AROUND SPEEDS OF 45 MPH TO 60 MPH. THE TRANSMISSION WOULDN'T SHIFT INTO THE NEXT GEAR. THIS WAS HIGHWAY DRIVING, BUT WILL HAPPEN ON 4 LANE ROADS AS WELL. DURING THE SAME TIME FRAME, THE STABILITY OF THE CAR IN ICE/SNOW ONLY WORKED IF THE TOW PACKAGE FEATURE WAS TURNED ON. OTHERWISE, I SPUN OUT LEAVING OUR NEIGHBORHOOD GOING DOWN A SLOPE AT SPEEDS OF LESS THAN 30 MPH. DEALER SAID IT DIDN'T MAKE SENSE AND DID NOTHING. I JUST KEEP THE TOW FEATURE ON DURING SNOW/ICE/RAIN. ELECTRICAL ISSUES, HEATING/COOLING SYSTEM WASN'T WORKING CORRECTLY, IT WASN'T HEATING UNLESS THE TEMP WAS PUT AT 80 DEGREES. ONLY THING DEALER WOULD CONCEDE WAS THERE WAS A KINK IN THE HOSE. IT'S HAPPENING AGAIN- WE HAVE TO SET THE A/C AT 60 IN ORDER FOR IT TO COOL THE CAR DOWN. VERY DISAPPOINTED IN THIS CAR. ONCE AGAIN, THE ISSUE WITH THE RPMS AND HEATING/COOLING SYSTEM IS HAPPENING AGAIN. I'M PAYING OFF THIS LEASE EARLY AND HOPEFULLY WILL NOT GET A PENALTY. THIS IS A POORLY MADE CAR. *TR

Mileage: 1,500

Jun 15, 2013

AXLE ROD PULLED OUT OF GEAR BOX CAUSING THE ENTIRE WHEEL/TIRE ASSEMBLY TO FALL DOWN. ACCORDING TO DEALER THE ASSEMBLY HAD NOT BEEN "MACHINED" AT ALL AT THE FACTORY AND COULD HAVE FAILED AT ANY TIME. THE RIVETS WERE NOT PULLED OUT IS HOW THIS DETERMINATION WAS MADE. IT HAPPENED WITH NO WARNING AFTER TURNING LEFT ONTO THE HIGHWAY FROM MY DRIVEWAY AT A LOW SPEED. CAR WAS UNABLE TO BE STEERED OR STOPPED COMING TO REST ABOUT 30 YARDS AFTER FAILURE. DEALER HAS INFORMED US THAT GMC MANUFACTURE REQUESTED THE PARTS BE RETURNED TO THEM AND THIS MAY BECOME A RECALL ISSUE DUE TO THE FACT THAT THE RIVETS SHOULD HAVE BEEN FLATTENED ON THE ASSEMBLY LINE WHEN HIT BY THE MACHINE, THEY OBVIOUSLY WERE NOT AND THEY NEED TO DETERMINE HOW MANY VEHICLES MAY BE INVOLVED. THIS IS A BIG, BAD DEAL AND COULD HAVE KILLED US IF WE WERE TRAVELING AT ANY HIGHER RATE OF SPEED. OTHER LIVES ARE MOST LIKELY IN DANGER. THE CONSUMER STATED THE LEFT FRONT LOWER BALL JOINT SEPARATED FROM THE CONTROL ARM. THE RIVETS HOLDING THE LOWER BALL JOINT WERE NEVER INSTALLED CORRECTLY. *TR

Mileage: 11,000

Apr 4, 2012

TL* THE CONTACT OWNS A 2012 GMC ACADIA. WHILE DRIVING APPROXIMATELY 65 MPH, THE CONTACT DISENGAGED THE ACCELERATOR PEDAL BRIEFLY WHILE SWITCHING LANES. UPON ENGAGING THE ACCELERATOR PEDAL AGAIN THERE WAS AN INCREASE IN THE RPM READING BUT THE VEHICLE WOULD NOT ACCELERATE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC. THE TECHNICIAN STATED THE VEHICLES COMPUTER NEEDS TO RECOGNIZE THE THROTTLE GEAR WHICH CAUSED THE HESITATION. THE TECHNICIAN STATED THERE WAS NO REPAIR NECESSARY. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 3,000. THE CONSUMER ALSO STATED THE SAME ISSUE OCCURRED WHEN SLOWLY APPROACHING A LIGHT, THAT THEN TURNED TO GREEN BEFORE COMING TO A FULL STOP. WHEN HE APPLIED THE GAS, THE ENGINE RPM'S WOULD RISE, BUT THE TRANSMISSION DID NOT ENGAGE FOR A PERIOD OF 3-5 SECONDS. UPDATED 04/25/12

Mileage: 3,000