2018 GMC Acadia Power Train
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
SHIFT TO PARK I SHIFT THE CAR INTO PARK AND TRY AND TURN THE CAR OFF AND IT STILL SAYS SHIFT TO PARK LIKE THE CAR ISNT IN PARK BUT IT IS. IT WONT ALLOW ME TO TURN THE CAR OFF. I HAVE TO SHIFT IT INTO DIFFERENT GEARS OR JIGGLE THE SHIFTER FOR IT TO REGISTER. I HAVE HAD TO RESORT TO REMOVING THE BATTERY CABLES OFF TO TURN IT OFF ONE TIME AS WELL. THE CAR WHEN IT DOES SHUT OFF FEELS LIKE THE TRANSMISSION ISNT FULLY ENGAGED.
WHEN I GO TO PUT CAR IN PARK AND GO TO TURN IT OFF IT SAW SHIFT TO PARK ON THE INFORMATION SCREEN. THE SHIFTER IS IN PARK AND P FLASHES ON AND OFF ON THE SHIFTER. GMC HAS SAID THEY DO NOT HAVE A FIX FOR THIS. THIS IS A SAFETY ISSUE IF YOU THINK YOU'RE IN PARK AND GO TO GET OUT AND IT IS NOT.
THE SHIFTER IS IN PARK WITH THE P LIT UP, BUT I CANNOT SHUT OFF MY CAR. A MESSAGE COMES ON THE SCREEN THAT SAYS SHIFT TO PARK THEN PUSH OFF. IT CONTINUES TO RUN UNTIL I TAKE IT OUT OF PARK AND PUT IT BACK IN.
I FINANCED THIS VEHICLE IN MAY 2018 THROUGH A GMC DEALERSHIP. IT IS JANUARY 2019 I STARTED GETTING ALERTS ONCE I PUT MY CAR IN PARK AND TURNED THE MOTOR OFF. THE WARNING ALERTS STATED ON THE DASHBOARD "ACTION REQUIRED -SHIFT TO PARK-" EVEN THOUGH IT IS IS PARK. THE ALERT IS LOUD AND WILL NOT GO OFF. I HAVE TO START THE CAR AGAIN AND ADJUST THE GEAR SHIFT A FEW TIMES BY MOVING IT TO DRIVE, NEUTRAL OR REVERSE BEFORE THE VEHICLE RECOGNIZES THAT IT IS IS PARK AND THE ALERT LEAVES THE SCREEN AND THE SOUND GOES OFF. SOMETIMES IT TAKES A FEW MOMENTS OF MOVING THE GEAR SHIFT BEFORE I AM ABLE TO LEAVE THE VEHICLE. THIS IS HIGHLY INCONVENIENT ESPECIALLY WHEN YOU ARE IN A HURRY TO LEAVE THE VEHICLE. I AM EXTREMELY FRUSTRATED BECAUSE THIS IS A BRAND NEW VEHICLE. I CONTACTED THE DEALER AND THEY IMMEDIATELY ASKED ME WAS THE CAR STILL UNDER 36,000 MILES. THANKFULLY IT IS. I ENTERED MY VIN NUMBER IN THIS DATABASE AND NO RECALLS HAVE CAME UP FOR MY MODEL ODDLY. BUT FOR A DIFFERENT MODEL OF THE GMA ACADIA 2018 THERE IS 2 RECALLS. IRONICALLY, THE SAME COMPLAINT HAS BEEN REPORTED.
VEHICLE STATES "ACTION REQUIRED - SHIFT TO PARK" EVEN THOUGH VEHICLE IS IN PARK. ACCESSORIES STAY ON AND VEHICLE CONTINUOUSLY SOUNDS WARNING CHIME. THIS PROBLEM OCCURS EVERY TIME THE VEHICLE IS SHIFTED TO PARK AND ENGINE IS SHUT DOWN.
WHEN TURNING OFF THE VEHICLE, A WARNING MESSAGE COMES ON SAYING "SHIFT TO PARK" EVEN THOUGH THE VEHICLE IS IN PARK. THE SHIFTER READS PARK AND SO DOES THE DASH. VEHICLE IS UNABLE TO BE COMPLETELY TURNED OFF OR LOCKED WITH THIS MESSAGE APPEARING. IT REQUIRES TURNING VEHICLE ON AND OFF, MOVING SHIFTER IN AND OUT OF PARK, JIGGLING SHIFTER BUTTONS, ETC. THIS CAN TAKE ONE TRY OR MULTIPLE TRIES. I JUST HAD THIS FIXED BY THE DEALERSHIP (REPLACED SHIFT CONTROL) AND WAS DISAPPOINTED TO FIND THAT THIS IS A KNOWN ISSUE, AFFECTING MANY VEHICLES AND IT IS STILL THE RESPONSIBILITY OF THE VEHICLE OWNER TO PAY FOR THE EXPENSE IF THE BUMPER TO BUMPER WARRANTY IS EXPIRED. THE SHIFTER RUNS THE POWER TRAIN! WHY IS THIS NOT UNDER THE POWER TRAIN WARRANTY AND WHY IS THIS NOT A RECALL? NOW, IN RESEARCHING, I'M SEEING THAT MANY HAVE HAD IT HAPPEN AGAIN AFTER THE ISSUE HAS BEEN "FIXED". DEALER TECH NOTES TSB 19-NA-206 IN HIS REPORT.
WHEN I PUT THE IN PARK, IT DOES NOT RECOGNIZE THAT THE VEHICLE IS ALREADY ENGAGED. THE CONSOLE DISPLAYS TELLS ME TO PUT VEHICLE IN PARK AND BEEPS. I HAVE TO KEEP MOVING THE GEAR SHIFT FROM REVERSE TO NEUTRAL TO PARK SEVERAL TIMES BEFORE IT RECOGNIZES THE VEHICLE IN ENGAGED IN PARK. THIS HAS BEEN HAPPENING ABOUT 8 MONTHS OR SO. I HAVE MENTIONED IT TO THE DEALER AND THEY TELL ME THEIR ARE NO RECALLS FOR MY PROBLEM, NOT EVEN RECOGNIZING MY PROBLEM WITH THE VEHICLE.
WHEN YOU PUT THE SHIFTER IN PARK IT DOES NOT RECOGNIZE & CABIN ALARM STARTS TO BEEP. THE VEHICLE WILL ALSO LEAVE ITS HEADLIGHTS ON OVERNIGHT & DRAIN YOUR BATTERY. TOOK TO DEALER AND THEY COULDN'T DO ANYTHING ABOUT IT. IT'S BEEN 2 WEEKS AND NO LETTER OF RESOLUTION FROM MANUFACTURER AS THE DEALER SAID.
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2018 GMC Acadia has 108 Power Train complaints on file. 1 crashes have been reported. Review the timeline above for detailed owner experiences.