2020 Buick ENCLAVE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
56 owner complaints analyzed
6 distinct recall campaigns
4,000 mi median reported failure mileage
Scope: 2020 model year. Data snapshot: . 13 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 15 of 56 complaints (26.8%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 10 | 17.9% |
| Braking behavior | 10 | 17.9% |
| Electrical and battery issues | 6 | 10.7% |
| Engine operation | 3 | 5.4% |
| Steering behavior | 2 | 3.6% |
| Fuel system concerns | 1 | 1.8% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 15 |
| Unknown Or Other | 12 |
| Electrical System | 9 |
| Power Train | 8 |
| Fuel/Propulsion System | 5 |
| Service Brakes | 4 |
| Seat Belts | 3 |
| Fuel System, Gasoline | 2 |
Engine: 15; Unknown Or Other: 12; Electrical System: 9; Power Train: 8; Fuel/Propulsion System: 5; Service Brakes: 4; Seat Belts: 3; Fuel System, Gasoline: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 8 |
| 25,000 to 49,999 | 4 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 8; 25,000 to 49,999: 4; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (8). 43 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 10 |
| 2025 | 9 |
| 2026 | 19 |
2020: 6; 2021: 3; 2022: 2; 2023: 7; 2024: 10; 2025: 9; 2026: 19
Pattern summary
Engine leads the component reports. Transmission and shifting appears in 10 complaint narratives. Braking behavior appears in 10 complaint narratives. Electrical and battery issues appears in 6 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11330057 · 2020-06-22 (June 22, 2020)
I BOUGHT A 2020 BUICK ENCLAVE, (OWNED BY GMC) WITH 6 MILES ON IT, 1 WEEK AGO. YESTERDAY THE CHECK ENGINE LIGHT CAME ON AND THE CAR STARTED JERKING ANYTIME THE TRANSMISSION SWITCHED GEARS. I CALLED TO TRY TO GET IT IN TO A CERTIFIED BUICK DEALERSHIP TO BE LOOKED AT AND NOWHERE CAN GET IT IN FOR 3-5 DAYS AND NONE OF THE DEALERSHIPS WILL GIVE A LOANER CAR UNTIL THE TIME OF THE VEHICLE APPOINTMENT. I CONTACTED BUICK DIRECTLY REGARDING THIS AND THEY TOLD ME THE SAME THING, THAT WE CAN'T GET A SAFE DRIVING VEHICLE, UNTIL THE ONE WE HAVE CAN BE LOOKED…
Owner-reported narrative. 600 miles reported. Look up ODI 11330057 at NHTSA ↗
Owner report 11331938 · 2020-07-01 (July 1, 2020)
BOUGHT BRAND NEW 2020 BUICK ENCLAVE, WITH 4 MILES ON IT, ON 6/13/20. STARTED HAVING TRANSMISSION PROBLEMS ALMOST IMMEDIATELY. THE CAR WOULD JERK HARD (HARD SHIFT) WHEN PUSHING ON THE GAS AND ALSO ANYTIME IT WAS PLACED IN PARK. ON 6/21/20 THE CHECK ENGINE LIGHT CAME ON AND THE VEHICLE WOULD BARELY SHIFT. CALLED LOCAL BUICK - GM DEALERSHIP TO GET REPAIRED. LOCAL SHOP RESTARTED COMPUTER ON 6/24/20 AND SAID THAT IT WAS GOOD TO GO. DROVE IT LESS THAN 3 MILES BEFORE SERVICE ENGINE LIGHT CAME BACK ON AND JOLTING STARTED AGAIN. ON THE DRIVE BACK TO TH…
Owner-reported narrative. 100 miles reported. Look up ODI 11331938 at NHTSA ↗
Owner report 11376503 · 2020-11-27 (November 27, 2020)
VEHICLE JERKS AT LOW SPEEDS WHEN ACCELERATING. BRAKES GRIND WHEN APPLIED AT HARD BRAKING OR REGULAR BRAKING.
Owner-reported narrative. 3,300 miles reported. Look up ODI 11376503 at NHTSA ↗
Owner report 11415643 · 2021-05-08 (May 8, 2021)
BRAKE GRINDING NOISE
Owner-reported narrative. 2,000 miles reported. Look up ODI 11415643 at NHTSA ↗
Owner report 11456018 · 2022-03-10 (March 10, 2022)
OnStar system and WiFi intermittently do not work, was told that this is a known issue when radio is being used, no fix. In my case radio was not being used, so this does not apply. Seat/mirror position memory gradually changes over time. Does not recognize that exit function has been turned off. Signal lights randomly flash (without indicator on dash flashing) when car is at idle & mirrors are folded. Tire Pressure monitoring system, not accurate and will notify driver that tires are underpressured by 10lb or more. Dealership reset them an…
Owner-reported narrative. Look up ODI 11456018 at NHTSA ↗
Owner report 11533466 · 2023-07-20 (July 20, 2023)
The contact owns a 2020 Buick Enclave. The contact stated that on several occasions, the electrical system malfunctioned. The contact stated that the hazard lights inadvertently illuminated, the horn inadvertently honked, and the tire sensor warning light illuminated. The vehicle was taken to the dealer where the failure could not be duplicated; however, the failure recurred. The contact stated that electrical system malfunction again and the vehicle was taken back to the dealer where the vehicle remained. The vehicle was not repaired. The manu…
Owner-reported narrative. 28,500 miles reported. Look up ODI 11533466 at NHTSA ↗
Owner report 11548946 · 2023-10-09 (October 9, 2023)
After filling up fuel, vehicle runs rough, hesitates, and stalls at idle speeds. This occurs after every fill up. The check engine light comes on and states an issue with the anti-lock brake system. I’ve had the vehicle checked by Buick 5 times and they have not been able to replicate the issue, so troubleshooting stopped. I know a recall came out this July for 2019 Buick Enclaves to replace the evaporative emissions purge valve due to not fully closing. This is the issue with my 2020 Buick Enclave and is a massive safety concern as the …
Owner-reported narrative. Look up ODI 11548946 at NHTSA ↗
Owner report 11558170 · 2023-12-03 (December 3, 2023)
When starting our 2020 Buick Enclave I noticed the low voltage battery light stayed illuminated after startup. A message followed on the message center located in the center of the gauge cluster. The message read Service Electrical Charging System. Followed by a message stating Low Voltage Vehicle Ma Stall. This particular vehicle only has 38,000 miles on it and I have not experienced any issues with the electrical charging system prior to this incident. There have been no indication as to the battery or alternator failing (ex. dim lights, flic…
Owner-reported narrative. Look up ODI 11558170 at NHTSA ↗
Owner report 11575060 · 2024-03-02 (March 2, 2024)
Steering wheel repeatedly locks while turning followed by loss of power steering. Also accompanied by warning messages such as "Service ESC", "Park Assist Off", "Steering Assist is Reduced Drive with Care", as well as the stability control and stability control off lights. Began in October 2023. Brought in to dealership 4 times in 5 months (waiting on loaner availability to bring in for a 5th time) and still not repaired. Dealership unable to replicate problem but finds error codes when diagnosing. Below is a summary of each visit to "fix…
Owner-reported narrative. Look up ODI 11575060 at NHTSA ↗
Owner report 11415777 · 2021-05-10 (May 10, 2021)
TL* THE CONTACT OWNS A 2020 BUICK ENCLAVE. THE CONTACT STATED THAT WHILE DRIVING DOWNHILL AT APPROXIMATELY 75 MPH, THE VEHICLE DECELERATED TO APPROXIMATELY 20 MPH WITH 'CAN NOT SHIFT IN THIS POSITION' MESSAGE DISPLAYED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TOWED TO SOMERSET BUICK LOCATED AT 1850 W. MAPLE RD, TROY, MI 48084, WHO DIAGNOSED THAT THE FUEL TANK SENSOR WAS FAULTY. THE FUEL TANK SENSOR WAS REPLACED HOWEVER, THE FAILURE RECURRED. THE TRANSMISSION SERVICE REQUIRED MESSAGE WAS DISPLAYED ON THE INSTRUMENT PANEL. THE CAUSE OF THE FAILUR…
Owner-reported narrative. 7,100 miles reported. Look up ODI 11415777 at NHTSA ↗