What 447 owners told NHTSA about the 2014 GMC Acadia Denali

MY FUEL GAUGE OCCASIONALLY REGISTERS AS EMPTY EVEN AFTER I FILL THE GAS TANK. THIS TYPICAL HAPPENS IF I LET THE FUEL GO BELOW 1/4 TANK. THIS HAS HAPPENED SINCE THE FIRST 30,000 MILES AND I WAS TOLD BY THE DEALERSHIP THERE WAS NO RECALL OR SAFETY ALERT FOR THIS CONDITION. IT GRADUALLY GOES UP AS I DRIVE. IT IS MY UNDERSTANDING THIS IS A COMMON PROBLEM WITH THIS VEHICLE AND MODEL YEAR.

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A CODE P1682 -IGNITION SWITCH CIRCUIT WILL POP UP. I'VE HAD THE PROBLEM FOR A YEAR, THE VEHICLE WILL SEEM LIKE IT DOESN'T HAVE A LOT OF POWER AT TIMES. THE ENGINE LIGHT WILL COME ON, REDUCED ENGINE POWER AND TRACTION CONTROL OFF. THE BATTERY VOLTAGE DROPS BELOW 13 . I HAVE CHANGED THE BATTERY, ALTERNATOR, THROTTLE BODY, GAS PEDAL SENSORY. IT DOES ALL OF THAT WHILE DRIVING, AND STARTS TO STALL ON ME. THAT CODE POPPED UP ONCE LAST YEAR AND I TOOK IT TO THE SHOP AND THEY SAID IT WOULDN'T COME UP AND IT'S DOING IT A LOT MORE. I HAVE DID RESEARCH AND HAVE SEEN MANY ISSUES WITH A FUSE BLOCK AND IGNITION SWITCH.

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WHEN TURNING ON THE CAR IT IMMEDIATELY GAVE A CHECK ENGINE LIGHT, BEGAN VIOLENTLY SHUDDERING, AND RAN "SERVICE STABILITRAK" "TRACTION CONTROL OFF" AND "REDUCED ENGINE POWER" WARNINGS. WE HAVE TAKEN IT TO 2 DIFFERENT DEALERSHIPS AND THEY KEEP TELLING US NOTHING IS WRONG WITH THE VEHICLE. WE HAVE EVEN CALLED GMC SERVICE LINE DIRECTLY AND EXPLAINED THAT THIS OCCURS WHILE WE ARE DRIVING THE CAR AND THE VEHICLE WILL SOMETIMES COMPLETELY SHUT OFF. THIS TIME THE VEHICLE WAS PARKED AND INITIALLY TURNED ON. WE RESTARTED THE CAR AND IT TOOK TWO TRIES BEFORE IT APPEARED TO START "NORMALLY." THE CHECK ENGINE LIGHT IS STILL ON.

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MY ACADIA HAS SHUT OFF WITHOUT WARNING MULTIPLE TIMES. TODAY, I WAS IN A PARKING LOT PICKING UP A PRESCRIPTION. THE CAR WAS IDLING WHILE I WAS WAITING IN THE PICK-UP LANE AND THEN SHUT OFF. THE DASH REMAINED ON AND GAVE THE FOLLOWING WARNINGS: TRACTION CONTROL OFF, ENGINE POWER REDUCED, SERVICE STABILITRACK. I TRIED TO RESTART THE ENGINE ONLY TO HAVE THE CAR SHUTTER VIOLENTLY WHILE IDLING. I TURNED THE CAR OFF AGAIN AND THEN RESTARTED FOR A SECOND TIME. THIS TIME IT RESTARTED AS NORMAL AND THE CHECK ENGINE LIGHT CAME ON. I HAVE TAKEN IT TO A DEALER 4 TIMES SINCE OCTOBER AS IT HAS SHUT OFF WHILE DRIVING AND MAKING A TURN. THE DEALER SAYS THERE ARE NO CODES IN THE DIAGNOSTICS AND CANNOT FIND A PROBLEM. I'M TERRIFIED TO DRIVE THE CAR. I SAW A RECALL FROM 2014 ABOUT AN ELECTRICAL SHORT BUT I DON'T KNOW IF THAT WAS ALREADY FIXED ON THIS VEHICLE SINCE I BOUGHT IT USED. I ALSO DON'T KNOW IF THIS IS EVEN RELATED TO THAT RECALL.

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SERVICE SIDE BLIND DETECTION STARTED GOING OFF THEN THE SIDE BLIND DETECTION STOPPED WORKING COMPLETELY. NOW THE ENTIRE ELECTRICAL SYSTEM IS NOT WORKING CORRECTLY AND WAS TOLD THE SIDE BLIND DETECTION MONITORS CAN CAUSE THE ENTIRE ELECTRICAL SYSTEM TO MALFUNCTION.

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TRACTION CONTROL SENSOR TURNS ON-SERVICE STABILITRAK-ENGINE LOSES POWER-CAR DIES WHILE DRIVING AT ANY SPEED. TURN THE CAR OFF WAIT FOR AWHILE AND SOMETIMES IT WILL TURN OVER AND EVERYTHING IS FINE. THE ISSUE IS SLOWLY HAPPENING MORE OFTEN AND TAKING LONGER TO START BACK UP.

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CAR SHUT OFF WHILE DRIVING. ALL ELECTRICAL WENT OUT. DOORS ALL LOCKED WHILE INSIDE, KEY STUCK IN IGNITION. STARTED WITH SIDE DETECTION WARNING AND WITHIN A FEW DAYS CAR COMPLETELY SHUT OFF WHILE DRIVING! HUGE SAFETY ISSUE! WILL NOT RESTART AND STILL CAN'T GET KEY OUT OF THE IGNITION. BATTERY IS FULLY CHARGED BUT NO POWER. COMPLETELY DEAD. THERE IS A KNOWN RECALL ON 2014 GMC ACADIAS FOR ELECTRONIC MODULE FAILURE BUT NOT OUR SPECIFIC VEHICLE THOUGH THIS SEEMS TO BE THE EXACT CAUSE OF OUR PROBLEMS. GMC SAID THEY COULD NOT HELP?!

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WHILE DRIVING ON THE HIGHWAY MY CAR BEGAN SHUTTERING AND THE WARNING SYSTEM WENT OFF STATING THE TRACTION CONTROL HAD GONE OFF. THEN IT SAID ENGINE POWER REDUCED, SERVICE ENGINE, AND SERVICE TRACTION. THE CAR BEGAN SHAKING AND IMMEDIATELY SLOWED DOWN. I PULLED OVER AND TURNED OFF THE CAR. UPON RESTARTING THE CAR I RECEIVED A MESSAGE THAT SAID TRACTION CONTROL ON. BUT THE ENGINE LIGHT CAME ON. THIS IS THE SECOND TIME THIS HAS OCCURRED. THE FIRST TIME IT HAPPENED I TOOK MY CAR TO THE DEALERSHIP TO WHICH THEY SAID THEY COULDN'T FIND ANYTHING WRONG WITH IT. AFTER DOING A GOOGLE SEARCH TODAY, I FOUND THAT THIS SEEMS TO BE A COMMON PROBLEM IN GMC ACADIA AND I AM SHOCKED THAT IT HASN'T BE REPORTED/RECALLED. IN RETROSPECT, I HAVE NOTICED THAT SOMETIMES WHEN I ACCELERATE, THE CAR WILL FAIL TO SHIFT GEARS IN A TIMELY MANNER AND JERK FORWARD WHEN IT FINALLY DOES SO. I WAS ON THE HIGHWAY WITH ALL THREE OF MY CHILDREN IN THE CAR WHEN THIS HAPPEND!

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2014 GMC ACADIA WENT ABRUPTLY INTO WHAT THEY CALL LIMP MODE. THE ENGINE LOST POWER, WITH A MASSIVE SHUTTER THROUGHOUT THE VEHICLE, NUMEROUS WARNING LIGHTS ON DASH, SAYING REDUCED POWER, LOW VOLTAGE, TRACTION CONTROL/STABILITY CONTROL AND CHECK ENGINE LIGHT. I HAVE DONE SOME ONLINE RESEARCH AND SEEMS TO BE A BIG ISSUE FOR THE ACADIA! A RECALL TO GENERAL MOTORS IS IN ORDER SO ALL THESE SAFETY ISSUES GET ADDRESSED AS SOON AS POSSIBLE. THERE ARE STORIES THAT THE DEALERS HAVE FIXED THEM BUT A WEEK OR TWO LATER THE ISSUES RETURNED. PLEASE HELP US

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ENGINE REDUCED POWER. VEHICLE WILL NO LONGER START. I WAS DRIVING AND LOST POWER WHILE DRIVING. I PULLED OVER EVEN THOUGH POWER STEERING WAS NOT WORKING.HAD CAR TOWED TO CONLEY AUTOMOTIVE, WIMBERLEY, TX. DIAGNOSIS FROM CONLEY SAID FAULTY FUSE BOX. THEY SAID IT WAS A TECHNICAL SERVICE BULLETIN PROBLEM. I INPUT MY VIN# ON NHTSA AND FOIND RECALL ON ECM, ELECTRONIC CONTROL MODULE. WHEN I SPOKE WITH THE SERVICE DEPT AT CHUCK NASH CHEVY DEALERSHIP , THEY SAID NO RECALLS WERE NOTED ON MY VEHICLE. I AM EXTREMELY UPSET THAT THIS IN FACT IS THE ISSUE WITH MY CAR. HOW DO I ADD MY VEHICLE TO THE SAFETY RECALL?

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THE ELECTRICAL ISSUES CONTINUED DESPITE HUNDREDS OF DOLLARS CHECKING VARIOUS PROBLEMS. THE FUSE BLOCK WAS REPLACED AND FOR A MONTH THINGS WERE FINE, BUT THE CAR IS STILL EXPERIENCING CONSTANT CHECK ENGINE LIGHT, DIFFICULTY STARTING, DOESN'T STOP RIGHT AWAY WHEN TURNED OFF, RANDOM STALLING, YOU NAME IT. IT FEELS LIKE A DEATH TRAP.

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SIDE DETECTION SYSTEM MALFUNCTION

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THE MODULE FOR THE SIDE BLIND ZONE ALERT NOTIFICATION SYSTEM, BACK UP CAMERA, TV'S/DVD'S QUITE WORKING AFTER IT WENT THROUGH THE CAR WASH. WHEN TAKEN TO THE MECHANIC IT WAS SAID IT MODULE WAS FILLED WITH WATER. ATTEMPTED TO HAVE THIS ADDRESS IN APRIL OF 2019 AND NOW OTHER THINGS ARE GETTING WORSE! SIDE MIRROR LIGHTS ALWAYS ON.

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SIDE BLIND ZONE ALERT MODULE FAILURE. SIDE BLIND ZONE ALERT IS INTENDED TO SIGNAL THE DRIVER OF OBJECTS IN THE BLIND SPOT WHEN CHANGING LANES. THIS 2014 ACADIA HAS A MALFUNCTIONING MODULE, RESULTING IN THE ALERT LIGHT REMAINING ON IN THE SIDE VIEW MIRROR. THERE IS ALSO AN ERROR MESSAGE IN THE INSTRUMENT PANEL. GM REFUSES TO APPLY EXISTING N172097060 SPECIAL COVERAGE ADJUSTMENT TO THIS VEHICLE, DESPITE MEETING THE MAKE, MODEL, YEAR, AND SPECIFIC PROBLEM RELATED TO THE MODULE.

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FIRST, 2 DAYS AFTER WE PURCHASED THE CAR, THE ENGINE LIGHT CAME ON. THEN THE FRONT CAMERA NEEDED SERVICE AND THE SIDE WARNINGS STOPPED. THEN THE SEAT HEATERS QUIT. THE FOBS BOTH QUIT WORKING, WOULD. IT PROPERLY UNLOCK THE DOORS. WE GOT AN AIRBAG NEEDS SERVICE WARNING. A CHECK GAGES WARNING. A SERVICE TIRE MONITORING SYSTEM WARNING. FINALLY, THE ENGINE LOCKS UP AND WON'T START, TURN OVER, OR ANYTHING. SEVERAL HOURS LATER, THE CAR STARTS. THEN IT GOES THROUGH THE WHOLE CYCLE AGAIN OVER THE NEXT FEW WEEKS TIL IT DOESN'T START AGAIN AND LEAVES US STRANDED. AGAIN. THE FIRST TIME, THE MCDANIEL GMC SERVICE DEPARTMENT CHANGED OUT THE BATTERY AND BELIEVED THAT WOULD FIX IT. WE PAID $190 FOR THAT. IT DIDN'T WORK. IT WENT THROUGH THE SAME CYCLE AGAIN WITHIN A MONTH. NOW THEY EXPECT US TO PAY TO HAVE HE MODULE FIXED, EVEN THOUGH THEY KNEW THERE WAS A RECALL FOR IT WHEN HEY SOLD IT TO US.

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THERE IS A KNOWN PROBLEM WITH THE CONTROL MODULES FOR THE DRIVER SAFETY/ASSIST SYSTEMS AND GM SENT A LETTER INDICATING THAT THEY WOULD REPAIR VEHICLES THAT MET A CERTAIN MILEAGE AND AGE CRITERIA. MY VEHICLE DID NOT MEET THESE CRITERIA. THE FAULT DRAINED MY BATTERY AND I HAD TO HAVE IT REPLACED AND THE DEALER INDICATED IT COULD BE $5000 TO FIX ALL THE OTHER ISSUES ASSOCIATED WITH THE FAULTY CONTROL MODULES. AS A RESULT, MY WIFE HAS NOW HAS NO BLIND SPOT MONITORING/INDICATOR, THE FORWARD/REAR CRASH MONITORING/ALERT SYSTEM DOESN'T FUNCTION AND ALL OF THE THE OTHER PROXIMITY/SAFETY SYSTEMS DON'T FUNCTION EITHER. IN ADDITION, OTHER ELECTRICAL ISSUES ARE NOW STARTING TO SURFACE AND THE GARAGE DOOR OPENER NO LONGER FUNCTIONS. I AM SCARED THAT THIS MAY LEAD TO A SERIOUS ELECTRICAL MALFUNCTION, SHORT, OR FIRE THAT COULD CAUSE A SERIOUS SAFETY ISSUE. AS A RESULT, I RECENTLY PURCHASED A NEW VEHICLE FOR HER BUT I AM NOW DRIVING THE IMPACTED VEHICLE.

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MY HEADLIGHTS STOPPED WORKING WHILE I WAS DRIVING ON A HIGHWAY. I PULLED OFF THE ROAD & THE DRL LED LIGHTS AROUND THE HEADLIGHTS WERE STILL ON, BUT THE HEADLIGHTS WERE NOT. I TRIED TURNING THE LIGHTS OFF/ON, TRIED TURNING THE VEHICLE OFF/ON. MY HUSBAND CHECKED THE FUSES, RELAY, & SENSORS, AS WELL AS CHANGED BOTH BULBS AND THEY STILL WILL NOT WORK. IT WAS DARK WHILE I WAS DRIVING, WHICH POSED A DANGEROUS SITUATION. UPON RESEARCHING ONLINE, THERE SEEMS TO BE OTHER PEOPLE WHO HAVE HAD THE SAME PROBLEM.

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THE GEARS SOMETIMES DOES A HARD PUSH WHEN CHANGING GEARS AUTOMATICALLY. THE DASHBOARD LIGHT KEEPS TURNING OFF AND DRIVER CAN NOT SEE THE SPEEDOMOTOR ETC.

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THE FUEL GAUGE DROPS TO E WHEN YOU STILL HAVE APPROX 1/4 TANK OF FUEL. THERE WAS RECALL FOR THIS BUT IT SEEMS IT DOES NOT COVER MY VEHICLE BY VIN.

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ABOUT A MONTH AGO MY CAR STARTED LOSING POWER WHEN DRIVING. IT OFTEN HAPPENS WHEN ENTERING OR EXITING THE HIGHWAY. THE LAST TIME IT HAPPENED WAS YESTERDAY ON THE HIGHWAY OFF RAMP. THE CAR LOSES POWER AND A MESSAGE COMES ON SAYING SERVICE STABILITRAK TRACTION CONTROL OFF ENGINE POWER REDUCED, THE ENGINE IDLES ROUGH AND I CANNOT GET BACK UP TO SPEED. I HAVE TO STOP THE CAR COMPLETELY, TURN IT OFF AND WAIT 20-30 SECONDS THEN TURN IT BACK ON. I HAVE TAKEN THE TWICE TO THE DEALER AND THEY CANNOT FIND A PROBLEM.

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TL* THE CONTACT OWNS A 2014 GMC ACADIA. THE CONTACT STATED THAT THE SIDE DETECTION SYSTEM ACTIVATED EVERY TIME THE VEHICLE WAS STARTED. ALSO, "SERVICE SIDE DETECTION SYSTEM" ILLUMINATED ON THE MESSAGE CENTER. IN ADDITION, THE TURN SIGNALS DID NOT OPERATE INTERNALLY, ONLY EXTERNALLY. THE VEHICLE WAS TAKEN TO BEARDMORE CHEVROLET (418 FORT CROOK RD. N, BELLEVUE, NE 68005) WHERE IT WAS DIAGNOSED THAT THERE WAS A HARNESS THAT FAILED AND NEEDED REPLACEMENT. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND THE CONTACT WAS ADVISED THAT THE VEHICLE EXCEEDED THE MILEAGE TO QUALIFY FOR THE EXTENDED WARRANTY UNDER BULLETIN NUMBER: 16-NA-178 (ELECTRICAL SYSTEM). THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 91,000.

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THE SERVICE AIR BAG SOON LIGHT IS ON AND THE CAR ONLY HAS 74,000 MILES AND HAS NEVER BEEN IN A WRECK. THIS IS THE SAME ISSUE THAT THERE WAS A RECALL FOR EARLIER MODEL YEAR ACADIAS UP TO 2013 AND IT IS WIDELY REPORTED THAT THE 2014S HAVE THE SAME ISSUE; THAT THE CONNECTOR HAS TO BE RESOLDERED FOR THE AIRBAGS TO DEPLOY. THIS IS A KNOWN SAFETY ISSUE TO GMC AND THEY ARE CHARGING APPROXIMATELY $400 TO FIX A KNOWN SAFETY ISSUE. NOW I'M GOING TO HAVE TO PAY $400 TO GET THIS FIXED BECAUSE IT IS NOT AN INCLUDED RECALL ON THE 2014S AND I DON'T WANT MY WIFE DRIVING A CAR WITHOUT AIRBAGS.

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ON ONE, APPROXIMATELY 200-MILE TRIP LAST YEAR, THE ELECTRICAL SYSTEM IN OUR ACADIA COMPLETELY WENT OUT (INCLUDING ALL GUAGES, TURN SIGNALS, ETC.) THREE SEPARATE TIMES. WE WERE DRIVING ON INTERSTATE ROADWAYS, AND THE VEHICLE COULD STILL BE DRIVEN. THE SYSTEM REBOOTED EACH TIME AFTER A FEW MINUTES. ULTIMATELY, MY WIFE ENDED UP STRANDED AS THE VEHICLE WOULD NOT START DUE TO ELECTRICAL SYSTEM FAILURE AFTER SHE HAD PARKED IT DURING A SEPARATE TRIP. OUR GM DEALERSHIP INFORMED US THAT THE REAR OBJECT DETECTION MODULES HAD CORRODED, AND THAT "EVERYONE HAS THIS PROBLEM." THE CORROSION CAUSED A CASCADE FAILURE OR THE ENTIRE SYSTEM, WHICH IS DEFINITELY A SAFETY HAZARD. GM REPLACES THESE MODULES WITH NON-CORRODING ONES NOW, AFTER WE PAID $992.52 TO HAVE THEM REPLACED. I CONTACTED AUTUMN AT GM CUSTOMER SERVICE, AND SHE SAID THAT THERE IS NOW SPECIAL COVERAGE FOR THIS PROBLEM THAT BEGAN ON 4/2/19. HOWEVER, OUR VEHICLE IS OVER THE 80,000-MILE WARRANTY FOR THIS PROBLEM.

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SIDE BLIND ZONE ALERT FEATURE IS NOT WORKING. THIS APPEARS TO BE A COMMON FAILURE DUE TO EITHER DEFECTIVE SENSORS OR MODULE. ESTIMATED COST TO REPAIR IS OVER $800.

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WHILE DRIVING, THE STABILITRAK SERVICE MESSAGE CAME ON, THEN TRACKTION CONTROL DISPLAYED. THE CAR THEN STALLED, WHILE DOING 70 ON THE FREEWAY. ALMOST GOT KILLED TRYING TO GET TO THE RIGHT LANE. HAD TO TURN OFF IGNITION (AND OPEN THE DOOR TO KILL THE ELECTRICAL CIRCUIT) TO RESET THE CAR TO DRIVE IT. THE CAR ALSO DOES THIS AT IDLE. IT WILL RANDOMLY MIS-SHIFT AND FEEL LIKE A CHAIN WAS HOOKED TO MY BUMPER AND BROKE OFF. SUPER SCARY, LIFE IN DANGER FOR SURE. THIS HAS HAPPENED 3 TIMES IN THE LAST 24 HOURS. I JUST BOUGHT THE CAR 5 DAYS AGO.

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