2018 Buick Encore Complaint Log

The contact owned a 2018 Buick Encore. While driving at an undisclosed speed, the "Service AWD" warning light illuminated on the instrument panel. The warning light remained illuminated while driving. The vehicle was taken to the dealer several times, however, the vehicle was not yet repaired. The vehicle was taken to the dealer to be repaired, but the failure persisted. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 85,000.

The front passenger air bag sensor turns off either before we begin driving or while the vehicle is in motion. The manual says that if you have a seat cushion or are not in the position for the sensor to "see" you, it may turn off. I have a bad back, and I need my 2-inch seat cushion for long trips, or I will be in pain. But when I use my seat cushion, the sensor turns the air bag off. So, if I use my seat cushion (or the sensor otherwise decides to turn the air bag off), I am not protected in the case of an accident. If I don't use my seat cushion, I am in pain from my back. The front passenger air bag should have a manual switch and have the ability to be kept on all of the time, that decision being made by the passenger and not a sensor that is not smart enough to adjust to an additional cushion or other situation.

After filling up fuel vehicle starts and stalls out. This occurs while driving at stop signs. And also while driving loss of power. There is something wrong in the engine, timing belt, fuel, etc.

Brought my car to get an oil change and was told they could not do it as my oil filter housing unit is cracked and leaking oil they said to check for recalls as this is an issue with other vehicle same problem. Upon checking i was informed that Buick is not making this a recall item at this time. They put in enough oil for me to get home.

The contact owns a 2018 Buick Encore. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power. The contact was able to coast to the shoulder of the roadway, where the vehicle failed to restart. The check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the timing chain, resulting in damage to the crankshaft. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 98,507.

COMPONENT FAILURE: THE ENGINE TIMING CHAIN. YES, IT IS AVAILABLE FOR INSPECTION. SAFETY RISK: VEHICLE HESITATED AND LOST POWER IN TRAFFIC, CAUSING MY VEHICLE TO AUTOMATICALLY SLOW DOWN WHERE I WAS NO LONGER DRIVING AT THE SPEED LIMIT. MY SAFETY AND OTHER DRIVERS AROUND ME WAS COMPROMISED AS THIS COULD HAVE CAUSED A MAJOR ACCIDENT SHOULD I HAVE BEEN REAR ENDED. I HAD IT TOWED TO LAMBERT BUICK, CUYAHOGA FALLS, OHIO. THEY DIAGNOSED A TIMING CHAIN MALFUNCTION WHICH WAS CONFIRMED BY DEALERSHIP DIAGNOSTIC TESTING. I WAS ADVISED NOT TO DRIVE VEHICLE DUE TO ENGINE DAMAGE POTENTIAL. I HAD IT TOWED BACK TO MY HOME AND HAVE NOT DRIVEN IT SINCE. VEHICLE HAS NOT BEEN INSPECTED BY THE MANUFACTURER, POLICE, INSURANCE OR ANYONE ELSE. THERE WAS NO WARNING, MESSAGES OR ANY SYMPTOMS PRIOR TO THE ENGINE TIMING CHAIN ISSUE. A WARNING LIGHT ONLY CAME ON WHEN THE CAR HESITATED AND LOST POWER IN TRAFFIC.

Was driving and lost complete power but came right back on itself. Car also makes a loud noise periodically when reversing and pressing the brake. Was told this was engine timing chain. Cooling fan periodically stays on draining the battery after car is turned off. None of these issues have been correct but told there is no recall to fix these issues.

When crossing through an intersection at approximately 45mph, I was struck by another vehicle, speed unknown, who failed to stop at a stop sign. My vehicle was struck on the front passenger corner. My vehicle continued in a forward motion for several hundred feet. Both driver and front passenger wore seat belts, however the driver struck her head on steering wheel, loosing consciousness for several minutes. Side airbags deployed, however front air bags did not

The car experienced issues with the fan turning off when car was turned off. It caused the battery to die. The car was serviced at the dealership and the tech found that the fuse block overheated and melted, causing poor electrical connections. They replaced the damaged parts and repaired the wiring. This still did not explain the fan not turning off and after the fuse block repair, the cooling fan was still sticking on. After pushing the dealership to further look into the issue the mechanic determined the issue was inside the fan assembly (it was assembled in the wrong direction), so they replaced the cooling fan. The dealership stated that this was a manufacturing error. They said this could have caused an engine fire and there was absolutely no warnings - just a fan that was stuck on. This could have put me and my new baby at risk for an engine fire and could cause issue for other owners if there were more assembly errors. The car is available for inspection if needed. It was only inspected by technicians at the dealership.

The contact owns a 2018 Chevrolet Encore. The contact stated that while operating the vehicle, the transmission malfunctioned while in first gear, and the vehicle hesitated to accelerate from being stationary. Additionally, the message "Stabilizer" was displayed. The cause of the failure was not yetbeen determined. The manufacturer was notified of the failure, but no assistance was offered. The local dealer was not contacted. The failure mileage was 147,000.

While driving, my car began to glitch out. The screens started turning on and off, the doors began locking and unlocking, and I lost my ability to steer, brake, and accelerate. It caused me to run a red light and I almost got into a severe accident. This issue has occurred several times, and during more recent occasions the car has turned off completely while driving. There were no warning lights or messages indicating that something was wrong with the car, but sometimes when I turn the car back on, it says “calibrating.” If Buick has sold cars that are capable of losing complete control, this should be investigated immediately.

A deer came out of nowhere and I hit it head on. It totaled the car. The airbag did not go off

During normal driving the car would lose power. RPM's would drop and with engine sputtering. No trouble codes show up.

Engine stalls, intake hose, power issues, multiple oil leaks

2018 Buick Encore has large area of peeled paint on hood. There is also bubbling unde driver side door handle. I was told the hood issue was to to defective paint and primer. I was also told the repair would be well over one thousand dollars. The car has never been in an accident or had any modification done.

I have been alerted by General Motors, via a letter that I received in March, 2024, that, due to a defect, my car's (a 2018 model year Buick Encore) engine may have a "condition where the turbocharger could fail" and that "the engine may run rough or have reduced power." In the letter, they have offered "additional protection for the condition" if the "condition occurs...within 10 years of the date your car was originally placed in service or 120,000 miles...whichever occurs first." On [XXX], my car was at 126,819 miles, and had all of the symptoms of the issue that were described in the March 2024 letter ("the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. Additionally, the engine may run rough or have reduced power.") On May 3, 2024, I contacted GM at the phone number provided in the March 2024 letter ((800) 521-7300.) I was told by the GM representative that, because I was "over the mileage", that any GM dealer would have to charge me a $130.00 Diagnostic Fee to diagnose the issue, and, that even after diagnosing, there was no guarantee that GM would fix the issue, because I was "over the mileage". The GM representative also said I could ask the dealer to waive the Diagnostic Fee, at the dealer's discretion. If, after paying the Diagnostic Fee, and if the Diagnostic Fee revealed that my car did have the "turbocharger fail condition", that I could THEN contact GM to see IF they would cover the repair cost. In May, 2024, my car was at about 128,000 miles. I contacted two GM dealers: Les Stanford Buick in Ferndale, MI, and James Martin Chevy in Detroit, MI. Both refused to waive the Diagnostic Fee. So, in other words: - GM has created a defective, potentially DANGEROUS product, that GM acknowledges is defective. - GM created a warranty extension in which GM arbitrarily extended the warranty mileage and time. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The contact owns a 2018 Buick Encore. The contact stated while the vehicle was parked, the contact's husband noticed there was oil leaking onto the ground underneath the vehicle. The contact’s husband, who is a certified mechanic, diagnosed the vehicle and determined that the failure was caused by a leaking oil cooler pipe. The contact was informed that the oil cooler pipe needed to be replaced. The vehicle was not repaired. In addition, the contact stated that the leak was persistent. The manufacturer was made aware of the failure but provided no assistance. The contact referenced GMC recall 43210; however, the contact was informed that the VIN was not associated with the recall. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 152,000.

Stalling and shuts off. Low power when accelerating. Car has been so slow to take off that when merging into on coming traffic I have to move to shoulder & then try again to prevent an accident. Coughs, putt & squeaking sounds.Car shakes while in park or not in motion. Check engine light on.

There are many Buick Encores, including 2018 that have a problem with acceleator position sensors. My car’s vin # shows that it does not have this notice, and thus no problem. However, in July this 2018 Buick Encore went into ‘limp mode, check engine light came on. Code for problem was 2138 (accelerator Pedal Position Sensor) The initial dealer solution was to apply dielectric grease. However, this ‘cure’ lasted . 15 miles, when it went into limp mode,,, again check engine icon came on THIS is very dangerous, as it cannot accelerate and from a stop, it does not move until a minute later… that is so frightening, I again took it to the deaer, same code of P2138, and now they recommend the accelerator pedal positon sensor replacement…. THIS is identical to the problems with the other Encores, This is a severe safety issue, and the rest of the 2018 Buick Encores should be included for notification AND repair .

The contact owns a 2018 Buick Encore. The contact stated while driving at undisclosed speeds, the vehicle was shaking abnormally with the check engine and stabili-trak warning lights illuminated. The contact pulled over to the side of the road and turned off and restarted the vehicle and the warning lights were cleared, and the vehicle drove normally. The contact stated that the failure was intermittent but was a recurring failure. The contact had taken the vehicle to an independent mechanic who diagnosed the vehicle and replaced the ignition coils and spark plugs; however, the failure reoccurred. The manufacturer was informed of the failure and referred the contact to the NHTSA Hotline. The failure mileage was approximately 109,800.

Turbo charger has A leak, dealer stated they knew it had a leak but they couldn't find it. All they did was clear the code. My car has A check engine light, and a trouble code of PO299, does not maintain proper speed, has issues with acceleration.

We took our 2018 buick encore in to get the turbo fixed for the recall. The mechanic told us he can't test the turbo on it because the oil line going into the turbo isn't working and he has multiple other vehicles in for the SAME issue and they have been sitting in his back lot since December because he can't get the part in because everyone is out of stock. We will have to pay out of pocket for the oil line issue which will be $2300. So the turbo going bad is not the only issue this recall should cover. Because the oil line supplying the turbo should be included with the recall!

Overdrive recall and check engine lights is on. We were just informed about the recall from our mechanic

Have been experiencing brake malfunction on my 2018 Buick Encore with the brakes getting locked while driving. There were instances where the brakes would lock randomly and the vehicle would start slowing down during driving even with a foot on the gas pedal and I had to turn on the hazards lights to pull the vehicle on the side in order to avoid being rear ended. Took the vehicle to a GM dealership and initial diagnostics mentioned that the brake pedal position sensor was malfunctioning and would need a replacement. Agreed to replace that, but after this repair dealership claimed that there was a loose pivot in the brake pedal assembly causing the brake light to be on(Did not have this issue before taking the vehicle to dealership). Since the vehicle was not in a driving condition due to the brake light being "ON" all the time, as per the dealership suggestion I agreed to replacing the entire brake pedal assembly as well. However, the original issue was not resolved and the dealership is now recommending that replacing the master brake cylinder and brake booster might resolve the issue. The dealership has also mentioned that all these recommended repairs are from GM and my vehicle is still at the dealership.

The contact owns a 2018 Buick Encore. The contact stated that the check engine warning light was illuminated. The contact stated that soon after the warning light appeared, the engine struggled to remain running. The contact depressed the accelerator pedal while in park to prevent the engine from shutting off. In addition, the contact stated that the vehicle hesitated upon depression of the accelerator pedal while driving at various speeds. The dealer and the manufacturer were notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was unknown.

All Wheel Drive System & All Wheel Drive Off Warnings 4 Different Times One Time lost the ability to Steer Once to Dealership can not duplicate & the lights are off so can't get codes they said. There is a recall for same issue on same vehicle for same year but says my VIN isn't included. Jan. 16 May 3 May 6 May 21 all of this year. Had warranty on car when started said only bumper to bumper would cover it. Car only had 48,839 miles when first happened. Still only has 51,852 miles.

My all 4 tires blew in the past years. It was due to defective tires that I was not aware of. It could have meant death or injury consequences for me and the passengers of the vehicle.

I have been employed in the Automotive Parts and Repair business for over forty years. I notice my vehicle exhaust sounded different than usual. I suspected the flex pipe part of the front exhaust pipe was leaking. This was confirmed by my local auto repair shop during a service visit. During my time as GM Parts Manager I can speak from experience to the problems these flex pipes cause because I kept two or three of them on the shelf to repair vehicles. My concern is exhaust fumes entering the passenger compartment of my vehicle because the flex pipe leaking which is just off the exhaust manifold. I contacted the local dealership where my vehicle was purchased because there still is a "Emission Warranty in effect. My 2018 Buick Encore has less than 50000 miles on it . I also contacted the Northeast Region District Service Manger with my concerns.

When driving, the vehicle will stutter and make the car feel as though it’s bubbling, once you come to a stop, the vehicle will shut off. This is a huge safety concern considering I have children and if the vehicle just turns off and I shouldn’t be braked for a while I can get hit. I have almost been hit 4x since this has started because the car shuts off when attempting to brake or braking completely. After speaking to multiple mechanics over this car it seems to be a common issue for it.

While on the highway car suddenly had a brake and steering failure which resulted in injuries to myself. Zeigler and Buick are doing nothing to remedy situation and want to put myself and my family at risk

Pittering nosie started from under the hood a few days later the information pages glitches and gave 20+ options with the main menus in what looked like Arabic then a few days later the check engine light came on hooked up a code reader and the codes indicated fuel system issue but was able to clear code light remanded off and remote start quite working with remote and threw the app ran fine for about a month with no issue then light came back on on 01/31 and cleared itself in 7days and remote start began working again began running rough and had issues idling on the 2/22 and after getting gas on 2/23 would start but struggled for a few seconds and turned off 4times like it couldn't get fuel to maintain the start but was able to finally get it to start and was able to make it to work and seems to be running ok but still has the persistent Pittering sound

Turbo has gone out four times in less than a year. Car is unable to accelerate and goes way below speed limit on highway which puts me and my passengers in an unsafe position traveling on a high limit road. No. Only inspected by the auto repair places I have been. No warnings prior to the Turbo going out. Turbo goes out while going up hills or going at higher rates of speed.

My airbag light is on and malfunctioning. It will cost $200 for the diagnostic and no repair. To repair it will cost $873.19. I see there are more complaints in regarding this issue. To me this is a safety issue and concerns me as I drive my grandchildren in this car. I am told it is an actual sensor in the cushion of the seat. My vehicle is under 5 years old. Something has to be done.

The contact owns a 2018 Buick Encore. The contact stated that the rear passenger’s side seat belt was not retracting. The vehicle was taken to the dealer and the contact was informed that the seat belt needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, and the contact was informed that the vehicle warranty had expired. There was no further assistance provided. The failure mileage was 17,846.

The contact owns a 2018 Buick Encore. The contact stated while driving 25 MPH, the message "Engine Power Reduced" was displayed and the vehicle lost motive power. The contact was able to continue driving; however, the vehicle would not exceed 25 MPH. The vehicle was taken to the dealer where it was diagnosed that the accelerator pedal had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 41,000.

previous airbag recall, but not including my VIN. However, my airbag light is on and malfunctioning. It will cost $200 to just diagnose the repair and no idea what the cost to fix this saftey issue on a car that is only 5 years old. Please help!

Feel like the car is loosing drive/power and not accelerating. I was driving and the engine light started flashing. No power to go up the hill, it could have gone backwards. Car does not accelerate made a whirring noise when it was turned off. Dangerous situation. Service Bulletin #N212338400

Turbo charger malfunction. Confirmed by dealership and had to be replaced. Stabilitrak malfunction. Car is stalling out at a red light or stop sign, and/or jerking hard. Stalled out in middle of an intersection with my children in the car. Ongoing problem.

Stabilitrak warning comes on and car stalls out. Passenger seat belt doesn't clip person in correctly.

The contact owns a 2018 Buick Encore. The contact stated while driving 35 mph, she depressed the brake pedal but it failed to stop the vehicle, causing her to rear-end a truck. The contact stated no warning light was illuminated. The air bags did not deploy. The contact did not sustain any injuries nor sought medical attention. A police report was filed. The contact was able to continue driving to her destination. The contact called the local dealer and made them aware of the failure. The vehicle was not diagnosed or repaired. The vehicle was taken to a collision center and had the front bumper repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 15,000.

My vehicle would not start and I had no control over the computerized system.

Currently my vehicle has issue with dash board and instrument panel getting hot to the touch after driving for approximatly an hour also causing an odor. The heater/ac stays on continuesly never turns off and the heating up issue exists with either temperature.

The contact owns a 2018 Buick Encore. The contact stated that while driving at 40 MPH, the vehicle lost power. The Stabili-trak warning light was illuminated. The vehicle was taken to a dealer where the failure however, where the failure was not duplicated. The vehicle was taken to the same dealer and was diagnosed and determined that the brake sensor needed to be replaced. The vehicle was repaired, but the failure reoccurred approximately 6 months later. The vehicle was taken to an independent mechanic, where an unknown code was cleared. The contact stated that a month after the code was cleared, the failure reoccurred. The manufacturer was not notified of the failure. The failure mileage was approximately 20,401.

Twice I was driving my car going about 35-45 mikes an hour. My car started to shake along with a loud humming sound. I lost my power steering and brakes. The over drive light was flashing both on the right under radio and on the dash. The RPMs started racing as well one time for sure. I was able to get to the side of the road and hit the emergency brake at the same time put it into park. I was so scared. I waited a few minutes turned it back on and drove around a parking lot before I ventured home.The second time I was close to home and drove it home 10 miles an hour. Since then I am extremely scared to drive my car. Being a nurse I NEED MY CAR. I took it to Sterling Buick in Venice. They ran a diagnostic test and it showed nothing. They drove it and of course it did not do it. There suggestion was for me to trade it in. They charged me and sent me on my way. They fixed something with my AC. When I droved the car days later my fiance called to tell me that there was something now leaking from the bottom of my car and took pictures of the brown pink color fluid dripping from undermeath the car. I called Buick. They suggested they would give me On Star for 6 months!!! REALLY!!! I they want to beable to find me in a ditch. I can not in good concious trade that car in knowing what has happened. If someone does not have the hinsight to beable to stop it they can be killled or kill someone else! The first time it happened I had my kids in the car and they were screaming. The second time I had 2 friends with me.

The contact owns a 2018 Buick Encore. The contact stated while driving at various speeds, the check engine warning light would illuminate as the average miles per gallon decreased. The vehicle was taken to the dealer who stated that the clamps for the turbo hoses were loose. The clamps and hoses were realigned and tightened. The contact stated that the failure recurred 2 months later. The vehicle was taken back to the dealer and the same diagnosis along with a red thread failure. The clamps were realigned and tightened again. The contact stated that the air filter hose was also loose. The manufacturer was not made aware of the failure. The approximate failure mileage was 54,000.

Unknown. On Highway total loss of power, unable to steer.

The contact's girlfriend owns a 2018 Buick Encore. The contact stated while his girlfriend was driving 35 mph, the vehicle inadvertently shifted to neutral and all the door latches unlocked independently. The contact stated that there was no warning light illuminated. The driver continued driving to her destination. The contact stated he also experienced the same failure while driving up a hill. The contact took the vehicle to the local dealer however, the mechanic was unable to duplicate the failure. The contact stated that the failure persisted. The contact also took the vehicle to O'Meara Buick GMC (2000 W. 104th Ave, Thornton, CO 80234, (720) 712-0951) and the mechanic was unable to duplicate the failure. The manufacturer had not been informed of the failure. The failure mileage was approximately 800.

The contact's sister owns a 2018 Buick Encore. The contact stated while driving at various speeds, the vehicle inadvertently loss motive power without warning. The vehicle would restart independently and resumed normal operation. The contact had taken the vehicle to a dealer to be diagnosed. The mechanic determined that the turbocharger assembly was defective. The vehicle was repaired. The contact was also informed that the antifreeze had been burning within the engine however, no additional repairs were performed. The manufacturer was not notified of the failure. The vehicle was repaired. The failure mileage was unknown.

WITH ESTIMATING MY MONTHS OVER A SPAN OF 4 MONTHS I HAD MY TURBO CHARGER REPLACEDBECAUSE IT HAD GONE BAD. I WAS OUT OF TOWN THE LIGHT CAME ON. AND WHEN I RETURN I TOOK IT TO THE SHOP THEY DIAGNOSE IT AND SAID IT WAS A TURBO CHARGER. I HAD AN EXTENDED WARRANTY ON THE CAR SO THEY REPLACE THE TURBO CHARGER WITH NO PROBLEMS GIVE ME A RENTAL WITH NO PROBLEMS EVERYTHING WAS COVERED.. AND A MONTH AND A HALF LATER MY ENGINE LIGHT CAME ON AND I REPLACED THE PURGE VALVE ANOTHER MONTH OR SO LATER THE ENGINE LIGHT CAME BACK ON AND IT WAS A TURBO CHARGER GONE BAD AGAIN. IT TOOK ABOUT WEEK TO FIND OUT WHY THE TURBO CHARGE WENT BAD. THEY FINALLY SAID IT HAD SOMETHING TO DO WITH THE RETURN AND SUPPLY LINE LIKE THERE WAS NO LUBRICATION COMING THROUGH A HOSE TTHAT RUNS TO THE TURBO CHARGE. THIS IS THE ONLY PLACE THAT I'VE HAD MY OIL CHANGE SINCE I BOUGHT THE CAR FROM KING CADILLAC BUICK GMC. I WENT ONE OTHER PLACE ONE OTHER TIME AND THAT WAS IT.I WONDER WHY THEY DID NOT CHECK THE SUPPLY LINE WHEN THEY CHANGE THE TURBOCHARGER THE FIRST TIME IS THAT NOT A PART OF CHANGING THE TURBO CHARGE. I WAS TOLD THAT THEY HAVE SEEN THIS ISSUE BEFORE BUT NOT A LOT.WHEN THIS FIRST HAPPENED I WAS ON INTERSTATE 40 ON MY WAY TO WAS TO SALEM NORTH CAROLINA. AND I NOTICED A DECLINE WHEN I WENT TO CELEBRATE ON THE GAS. WHEN IT HAPPENED THE SECOND TIME I WAS RIDING TO CHURCH HERE IN MY HOMETOWN AND THE ENGINE LIGHT CAME ON AND JUST RIDING AROUND HELL IS AS IF THE CAR DID NOT WANT TO GO LIKE I WOULD GIVE IT TO GAS AND IT WOULD HESITATE OR NOT WANT TO DRIVE.

TL* THE CONTACT OWNS A 2018 BUICK ENCORE. THE CONTACT STATED WHILE DRIVING 55 MPH, THE FRONT END OF THE VEHICLE STARTED TO SHAKE AND SHUDDER. THE CONTACT STATED THAT THE STEERING WHEEL TO CEASED AND THE VEHICLE LOSS MOTIVE POWER AND STALLED WITH THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE FAILED TO RESTART AND WAS TOWED TO MARK PORTER CHEVROLET BUICK GMC (42411 CHARLES CHANCEY DRIVE, POMEROY, OH 45769). AN UNKNOWN MODULE WAS REPLACED AND THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE PERSISTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 7,132.