2019 GMC ACADIA Electrical System Problems

After noticing my AC was not cooling, I began receiving a “steering assist is reduced drive with care” notice every time my car was started. My car is more difficult to steer. It has been assessed by a certified mechanic and found that the coolant temperature probe is malfunctioning and the ECM will either need to be fixed or replaced. Due to malfunctioning power steering, I do not feel safe driving this vehicle until it is fixed.

The contact owns a 2019 GMC Acadia. The contact stated that the entertainment center changed and moved through all channels without touching the screen. While in park, the vehicle failed to turn off as desired. The shift-to-park message was displayed. The vehicle was taken to the local dealer, where it was diagnosed that the entertainment center needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 21,000.

The vehicle would continuously not register as being in park.

The steering assist code comes on , the temp gage goes down , and it’s immediately hard to steer . All the lights come on , and drained the battery, this has happened several times

Traveling at interstate speeds the vehicle had an short in the Body Control Module due to the HVAC drain leaking into the vehicle. The vehicle displayed a series of alarms brake, steering, and shutoff. We had no power, steering, brakes, or lights. The issue was discovered by Dave Sinclair dealership. It had been in for a sensor issue 3 months prior.

"Shift to park Warning light" comes on when turning off vehicle when vehicle is in park.

For a few months I intermittently get an engine light on, the temperature gauge goes to zero, the AC stops working, and an error that driver assist in unavailable. This will happen for a fee days and return to notmal where everything is fine. This happens on and off again. I google searched this and it is a huge problem with GMC Acadias. I used an obdII scanner and get a P0128 coolant error when this happens even though the temperature is fine. I just recently went over the new car warranty and GMC will not tell me if this is covered or not.

There have been no reported recalls yet my vehicle is on it's third battery since purchasing it? How is this possible?

The electrical and gear shift failed, causing a problem that GMC calls “shift to park.” Even when the car is placed in park, the car does not recognize that it was placed in park and cannot be turned off, preventing the driver from leaving the running car. This is a known problem that multiple dealers are aware of and there even appears to be a recall and lawsuits on the 2018 Acadias. However, on my 2019 Acadia, which has the same problem as the 2018 vehicle, this is a problem that costs hundreds of dollars to fix. This should be recalled because it renders the vehicle a safety hazard because it cannot be turned off and it is a known GMC problem that they refuse to fix.

My 2019 GMC Acadia started having the known "Shift to Park" issue that is affecting these make/models. This is a known issue and GMC has not issued a recall for it, nor are they covering any cost of repair. When the car is put into Park, the screen displays a message that says "Shift to Park". This results in being unable to turn the car off. The vehicle will not lock either when the message is displayed. On several occasions, the car would not start because of this issue. We took it to the dealer and they are fixing the issue for just over $500 USD.

When I put my car in park and try to turn my vehicle off I get an error message saying “shift to park.” The problem is the car is already in park and I am unable to turn the off. I usually have to start the car back and drive back and forth before the car actually recognizes it is in park. Im concerned for my safety.

The vehicle’s steering assist reduced, drive with care notification came on. The vehicle lost steering assist control and made it very difficult to steer. The slightest move causes a major shift in the intended direction. This is very dangerous.

Initial battery died completely when vehicle was 2 years old (17 months ago). This week got a steering assist drive with care message and everything pointed to codes signaling low voltage. Battery tested with a bad cell. GM will not cover the cost to replace a battery when not one but two have gone bad well before the middle of their earful lives. GM claims there is nothing electrical drawing from the battery causing both the go array. Bad customer service on GM’s part. Logically this issue should be covered as it is not a typical maintenance replacement. It’s something causing two batteries to go bad!

Gear shift notification problem. Unable to turn engine off after receiving "Shift to Park" message and the gear shift is visibly in the "Park" position. In addition, the doors would not lock. My wife was forced to stay in the unlocked running car in a store parking lot for 25 minutes, until the car just "turned off" on its own. Unsafe for a woman (or anyone) to have to do at 10:30pm. This puts drivers in a really vulnerable position. Vehicle taken to dealer Jan 30, 2023. Was told they were familiar with the problem.

2019 GMC Acadia started producing error code of “shift to park” around 32,000 miles. This malfunction is directly connected to a know a non manufacturer flaw in the shifting mechanism shifter switch an faulty grounding. The error code “shift to park” will not allow you to properly shut off or start the car causing potential safety threats to individuals involved. This error code is a know issue with the shifting mechanism GMC has been putting in Acadia models for the last 5 plus years with no proper resolution to correct potential hazard for consumers. Recall Bulletins are in place for some 2009-2017 models currently,but only a temporary fix. Consumers are expected to pay for repairs for a manufacturer defective part that doesn’t meet nhtsa requirements. I would like to add the 2019 models to this list. Vehicle was inspected by GMC dealership and master mechanic.

Vehicles shift lever doesn't always go into "PARK" and when the 'stop' switch is pushed the instrument panel displays notice to "shift to park" even though the operator has already done so. The audio still plays after the vehicle door is opened. So I assume the vehicle is still using battery power.

While driving the all the the service lights came on on the dashboard and the system as well as the stabilitrak notification. The car begin to not want accelerate and I had to put on the hazard lights on a drive very slow home. Upon arrival home the car would not start but would not power off either and the a "Shift to Park" warning message is displayed.

About five months ago, my GMC Acadia started displaying a warning when I would put the car in park, and try to turn it off. The engine would shut off, but the electrical portion of the car would stay on, and would not turn off, because the warning displaying said "SHIFT TO PARK". I have tried every conceivable way to try to get this to go off, but nothing works. My car has stay on for upwards of two and a half hours, to the point where my battery died in the car and left me stranded. There have been numerous accounts of this, as I had read them on forums, yet still no resolution has been published. I have tried taking it to be inspected, but nothing ever comes up. I have two very small children, and if I were to be in public and be stranded because my...

Constant issue of doors not locking or unlocking with key fob. Doors do not lock when put in drive or unlock when put in park. Buttons on the door to lock/unlock do not work. Have had at the dealership 4 times and still the issue hasn't been fixed. They replaced BCM and Harness and the issue still comes and goes.

The middle buttons in the infotainment system do not work - only the buttons around the edges (top, left, right, bottom) work.

"Steering Assist reduced drive with care" displayed on screen when I was driving. The temp gauge stayed on C, the a/c did not work and engine fan came on full blast. After a couple days of this, it went back to normal. Coolant was checked and full at correct level.

Intermittent shift to park message displays on the dash. Had to turn the automobile back on to start the engine then moved gear selector to drive then to park. At this point the message disappeared allowing me to turn off the automobile.

2019 Acadia will be shifted into park and parking break applied. Vehicle will then be turned off. When opening the door a message appears on the dash stating "Place vehicle into Park". It takes multiple times of turning on the car, Shifting into another gear, then shifting back to park for the vehicle to realize it is in Park to allow vehicle to shut off. It has happened multiple times. We then received an email from on-star there is a diagnostic code SAC001 (Battery Service) needs to be addressed. This is unacceptable for a vehicle to be this new and have electrical issues.

I’m not sure but a warning came on that said steering assist reduced drive with care and my temperature gage and AC weren’t working all of a sudden when it happened

Once vehicle is in park and ignition is shut off, a message will show to "shift in park" when it is in park. When this message appears, it takes several times to shift the car back and forth in order for it to register that it is in park. This occurs occasionally...sometimes more frequent than other times. It just did it today and it hadn't done it in a couple of weeks. The vehicle will not turn completely off or lock until you can get the stick to register it is in park. Sometimes it takes me a second to get the message to go away, other times it takes several mins. Really aggravating! These models are not cheap. This has occurred for well over a year now. I purchased the car November 2019.

After shifting the car into Park and pressing the start button to stop the engine, the message "Shift to Park" appears, and the engine does not shut off. This issue happens intermittently, but it has sometimes taken several minutes of shifting and re-shifting to get the car to turn off.

Shift to park message appears post vehicle being in park! Vehicle has been inspected per Jeff Schmidt auto group (formerly Valentine Buick GMC, Inc! I was told shifter needs replaced as well as harness! Very disappointed do to the fact I brought this vehicle in 2019 off the showroom floor and 3 yrs later there’s a problem with my shift gear with 36k miles on vehicle..

When I put Shifter in PARK, the dash indicator states the car is in PARK. I then push the Start/Stop button to turn the car off, but the dash displays car is not in PARK. Sometimes the car will not shutoff or the car just beeps until I push the Stop/Start button. I cannot lock doors to leave the car. When this occurs or when left in this state the battery runs down, which leaves me stranded. This is certainly a safety issue on various levels. It the car really in Park! What if it on a hill and starts to roll into me or someone else.. Scary!!

The Rear Hood was opened to get groceries. All of a sudden the hood came down on my back. I had to push the hood up manually, and tried to close with remote or with button on the hood but the Rear hood would not close. I then had to manually close the hood. On August 11, 2021 I took the car to the dealer and they replaced both Rear Hood Struts that wear leaking fluid. This SUV is only 2 years old with 16000 miles and should not be having these type of safety issues that can potentially be life threatening.

WE HAVE HAD OUR 2019 GMC ACADIA AT TWO DIFFERENT DEALERSHIIPS, RECENTLY WE HAD IT AT THE DEALERSHIP WHERE WE PURCHASED IT NEW IN 2019. THE DOOR LOCKS KEEP MALFUNCTIONING WHERE THEY EITHER WORK OR DON;T WORK AT TIMES. MY WIFE AND CHILD GET LOCKED OUT OF THE VEHICLE WHICH IS A SAFETY ISSUE. THE DEALERSHIPS HAVE WOIRKED ON THE VEHICLE A HALD DOZEN TIMES BUT THE ISSUE IS STILL OCCURRING. THE ORGINAL DELAER NAME IS COCHRAN GM OF ROBINSON IN PITTSBURGH PA. THE DEALER HAS BEEN GREAT WITH US BUT THEY STILL CAN'T FIND THE ISSUE.

"SHIFT TO PARK " MESSAGE STARTED COMING ON THE DISPLAY EVEN THOUGH THE VEHICLE IS IN PARK. ONCE THIS MESSAGE COMES ON, I AM UNABLE TO TURN THE VEHICLE OFF. I HAVE TO KEEP PUTTING THE VEHICLE IN GEAR AND PARK AGAIN SEVERAL TIMES UNTIL THE MESSAGE GOES AWAY. I HAVE VIDEO OF THE ISSUE BUT DONT SEE WHERE IT CAN BE UPLOADED. THERE IS ALSO A CLASS ACTION LAWSUIT IN CONN ABOUT THIS ISSUE.

AFTER PLACING MY CAR IN PARK, AND TRYING TO CUT OFF THE ENGINE, IT ALERTS ME TO "SHIFT TO PARK" ... I WILL HAVE TO RESTART MY ENGINE, PUT IT IN NEUTRAL AND THEN BACK TO PARK, AND TRY AGAIN TO SHUT OFF THE CAR. SOMETIMES IT WORKS ON THE SECOND ATTEMPT, BUT USUALLY TAKES 3-4 TIMES OF CUTTING ENGINE OFF AND ON, SHIFTING FROM PARK TO DRIVE TO PARK AGAIN. IF YOU ATTEMPT TO EXIT THE VEHICLE, THE HORN WILL START TO HONK, AND ALARM GOES OFF. THE CAR IS CLEARLY IN PARK, THE SHIFTER CAN NOT MOVE FORWARD ANY FURTHER, AND THE INDICATOR SAYS ITS IN "PARK" IT IS ONLY AFTER YOU PRESS THE START/STOP BUTTON THAT THE ALARM INDICATES IT NEEDS TO BE "SHIFTED INTO PARK"

VEHICLE DOES NOT RECOGNIZE IT'S IN PARK. VEHICLE WON'T SHUT DOWN COMPLETELY,IT HONKS HORN AND BEEPS INSIDE AND WON'T LET YOU LOCK DOORS OR RESTART CAR. HAVEN'T NOTICED IT ROLLING AWAY LIKE MANY PEOPLE STATE... JERKING THE SHIFTER SEEMS TO GET IT WORKING SO FAR .. HAVEN'T BEEN STRANDED YET.VEHICLE WAS STATIONARY IN A PARKING LOT

MY GMC WAS ABLE TO GO 45 MINUTES WITHOUT THE KEY FOB I HAVE TO HAVE THE KEY FOB WITH ME TO DRIVE MY CAR AND THAT DIDN'T HAPPEN I WAS ABLE TO DRIVE WITHOUT IT

TL* THE CONTACT OWNS A 2019 GMC ACADIA. THE CONTACT STATED THAT INTERMITTENTLY UPON PLACING THE GEAR SHIFTER INTO THE PARKING POSITION, THE VEHICLE FAILED RECOGNIZE THE MANEUVER. DUE TO THE DEFECT, THE SHIFT TO PARK WARNING MESSAGE APPEARED ON THE INSTRUMENT PANEL. THE CONTACT STATED THAT ON ONE OCCASION, THE VEHICLE PROCEEDED TO ROLL FORWARD WITH THE GEAR SHIFTER IN THE PARK POSITION. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC TO BE INSPECTED OR DIAGNOSED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 20,000.

FIRST TIME BACK IN JUNE 10TH, 2020, I TOOK IT IN BECAUSE OF "REMOTE NOT DETECTED" THEY COULD NOT DUPLICATE THE PROBLEM, FEW HOURS LATER, SAME DAY AFTER I PICKED THE CAR UP IT WENT HAYWIRE WHILE PARKED. IT THREW ITSELF INTO THEFT MODE, WOULD NOT LET US MANUALLY LOCK THE CAR, ELECTRICAL WAS STILL ON BUT ENGINE WAS SHUT OFF, ALARM, WINDSHIELD WIPERS, AND LIGHTS WAS GOING OFF WHILE I HAD IT TOWED TO THE DEALERSHIP. THIS TIME THEY'VE TOLD ME, THE A/C CONDENSATION FRIED THE CPU MODULE BECAUSE THE ONLY THING KEEPING WATER OUT OF THE CPU WAS A TRAY. SEPTEMBER 9TH, 2020 I TAKE IT BACK INTO THE DEALERSHIP BECAUSE AGAIN THE CAR KEPT READING "NO REMOTE DETECTED". THEY CLAIMED IT WAS MY "DASH CAM" THAT CAUSED THE ISSUE. OCTOBER 14TH, 2020 THE CAR AGAIN WENT HAYWIRE WHILE IN MOTION. THIS TIME IT THREW ITSELF INTO THEFT...

TL* THE CONTACT OWNS A 2019 GMC ACADIA. THE CONTACT STATED THAT THERE WAS AN ABNORMAL SOUND INSIDE THE CABIN OF THE VEHICLE WHILE DRIVING WITH THE WINDOWS ROLLED DOWN. ADDITIONALLY, THE AUTOMATIC EMERGENCY BRAKING ACTIVATED WITHOUT DRIVER INPUT. THE VEHICLE WAS TAKEN TO RANCHO GRANDE MOTORS LOCATED AT 1404 AUTO PARK WAY, SAN LUIS OBISPO, CA 93405, WHERE THE CONTACT WAS INFORMED THAT THE ISSUE WAS COMMON WITH SIMILAR VEHICLES. THE AUTOMATIC EMERGENCY BRAKING FAILURE WAS NOT DUPLICATED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 500. THE CONSUMER STATED THE DVD WOULD TURN ON IT. THE DEALER STATED IT COULD BE DUE TO A MISSING REMOTE THAT WAS NOT INCLUDED WITH THE VEHICLE. THE PARKING BRAKE WOULD ACTIVATE INDEPENDENTLY. THE CHECK ENGINE LIGHT WAS ILLUMINATED. THE STEERING AND ENGINE REDUCED POWER THE WARNING LIGHT ILLUMINATED. THE HEADREST...

I HAVE EXPERIENCED ISSUES WITH THE SHIFTER OF THE VEHICLE TWICE NOW AND IT HAS RESULTED IN REPLACING THE SHIFTER AT LEAST ONCE. 6 MONTHS LATER AND AFTER AN INITIAL REPLACEMENT THE SHIFTER HAS GONE OUT AGAIN. THE SHIFTER REFUSES TO MOVE OUT OF THE PARK FUNCTION. PRIOR TO THE SHIFTER GOING OUT THE CAR WOULD SAY SHIFT TO PARK EVEN THOUGH THE CAR WAS ALREADY PLACED IN PARK. I BELIEVE THE ISSUE TO BE AN ELECTRICAL PROBLEM. THE MIDDLE SEAT BELT IN THE SECOND ROW OF THE VEHICLE HAS ALSO STOPPED WORKING. *TR

WHEN I COME TO A STOP AND PUT THE CAR INTO PARK I GET A MESSAGE TO SHIFT TO PARK BEFORE I CAN TURN CAR OFF

MY MOTHER HAS BECOME TRAPPED TWO TIMES DUE TO THE LOCKS ON THE VEHICLE NOT WORKING. THE ISSUE ONLY HAPPENS WHEN IT RAINS. I TOOK THE VEHICLE TO THE DEALERSHIP AND THEY SAID THEY REPLACED SOME KIND MECHANISM AND THAT EVERYTHING WAS GOOD TO GO. IT RAINED AGAIN YESTERDAY AND MY MOTHER WAS TRAPPED IN THE VEHICLE AGAIN. THIS HAPPENS ANYTIME YOU TRY TO ENGAGE THE LOCKS, I.E. IN PARK, PUTTING IT IN PARK, PUTTING IT IN DRIVE, USING ONSTAR TO LOCK OR UNLOCK, USING THE GMC APP TO LOCK OR UNLOCK, USING EITHER KEY FOB TO LOCK OR UNLOCK, TRYING TO LOCK OR UNLOCK IT MANUALLY.