The start/stop accumulator endcap may have missing bolts.
Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
The fix and full notice
Fix: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles.
Questions about any of these recalls: call NHTSA's Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or check your VIN at nhtsa.gov/recalls.
What owners report
Owners have filed 42 complaints with NHTSA about the 2019 Enclave. Below, they are sorted by the problems owners describe and by the areas NHTSA files them under. NHTSA does not verify complaints.
Problems owners describe
Check engine light6 · 14%
Stalling or shutting off while driving4 · 10%
Auto start-stop problems4 · 10%
Power steering problems or locked steering3 · 7%
Shaking, shuddering or vibration3 · 7%
Wiring, fuse or short-circuit problems3 · 7%
Counted from the complaint text: a complaint counts once for each problem it describes (how we match them). Some complaints describe none of these.
Areas named in complaints
Powertrain16 · 38%
Engine12 · 29%
Electrical system11 · 26%
Brakes3 · 7%
Steering3 · 7%
Air bags2 · 5%
Body structure2 · 5%
Unknown or other9 · 21%
A complaint can name more than one area, so shares add up to more than 100%.
Buick Enclave recalls and complaints by model year
The highlighted bars are the 2019 model year. Newer model years have had less time on the road, so their counts are lower. Counting complaints filed in each model year's first three years, the 2018 Enclave drew the most (27) and the 2019 drew 15.
Owner complaints
2019: 42 complaintsTap or drag across the chart for other years.
Show as a table
Owner complaints by model year, Buick Enclave
Model year
Complaints
2016
141
2017
179
2018
64
2019
42
2020
59
2021
25
2022
13
2023
21
2024
7
2025
37
2026
2
Safety recalls
2019: 1 recallTap or drag across the chart for other years.
Show as a table
Safety recalls by model year, Buick Enclave
Model year
Recalls
2016
4
2017
3
2018
0
2019
1
2020
6
2021
2
2022
1
2023
0
2024
0
2025
0
2026
1
Crash test ratings
NHTSA's 5-Star Safety Ratings for each version it tested. Rollover risk is NHTSA's estimate of the chance of rolling over in a single-vehicle crash.
Tested version
Overall
Frontal
Side
Rollover
Buick Enclave SUV AWD
Rollover risk 15.0%
Buick Enclave SUV FWD
Rollover risk 16.9%
Questions
What are the most common 2019 Enclave problems?
In the 42 owner complaints filed with NHTSA for the 2019 Buick Enclave, the problems described most are the check engine light coming on (6). NHTSA does not verify complaints, and one complaint can describe several problems.
Is the 2019 Buick Enclave safe?
In NHTSA crash tests every tested version of the 2019 Buick Enclave earns 5 stars overall. The table above lists each tested version.
How do I check if my Enclave has an open recall?
Enter the 17-character VIN from your dashboard, door jamb or registration at nhtsa.gov/recalls. The lookup lists unrepaired recalls for that exact vehicle. Safety recall repairs are free at Buick dealers.
Sources and method
NHTSA recalls file (NHTSA datasets), dated Sep 29, 2026; every campaign checked against NHTSA's recalls API.
NHTSA owner complaints file, dated Sep 28, 2026. Counted by complaint number, so a complaint naming three components counts once in the total.
NHTSA 5-Star Safety Ratings (NCAP).
NHTSA model names covered: ENCLAVE.
Complaint counts are unverified owner reports. They rise with sales volume and time on the road, so compare model years with care. How we build these pages. Spotted an error? Tell us.