2018 Buick Enclave Electrical system Problems
- Complaints
- 10about this part
- Share
- 15%of 66 total for the year
- Median mileage
- 36,800miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the electrical system of the 2018 Buick Enclave, 15% of the 66 complaints for this model year. Where a mileage was given, the median is 36,800 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was stopped at an intersection at a traffic light & when the light turned green, I turned left & I'm uncertain if my emergency brakes kicked on or if my car simply stalled out, but my car suddenly would not move. My purse, in the passenger seat flew forward & hit the floor of the vehicle. The car behind me at the light nearly rear ended me, but fortunately did not. We brought the vehicle to jim ellis Buick to be serviced, but they said it appeared fine & was confused. I definitely was not in any danger of hitting anything when turning at the intersection. …”
NHTSA complaint #11132424, filed 2018-10, 1,600 miles“The car shuts off at random when coming out of autostop, the car will disable power steering when coming out of autostop to make turns making it difficult to turn the steering wheel. Coming out of autostop is typically when you are trying to go or make a turn. This has been an ongoing issue that happens often. The issues began around 60k miles.”
NHTSA complaint #11610932, filed 2024-08“The contact owns a 2018 Buick Enclave. The contact stated that while driving at various speeds, the vehicle shut off and failed to restart. The vehicle was towed to the dealer, where the alternator was replaced 4 times before the dealer diagnosed that the failure was due to oil leaking onto the alternator and the battery. The contact stated that the alternator had been replaced 6 times in total. Additionally, the contact stated while pulling out of the parking lot and onto the road, the vehicle shut off. …”
NHTSA complaint #11740184, filed 2026-05, 72,000 miles“The vehicle is experiencing an intermittent but severe safety defect involving the StabiliTrak and Electronic Parking Brake (EPB) systems. While driving at operational speeds, the Service StabiliTrak warning light illuminates, immediately followed by the uncommanded, autonomous engagement of the electronic parking brake. When the defect occurs, the vehicle forcibly brakes itself and suffers a complete loss of throttle response, preventing acceleration. …”
NHTSA complaint #11766879, filed 2026-09“My vehicle has begun all us sudden flickering headlights from low beams to high beam when driving and also it ay the airbag safety light turn on with the locks also doing a closing and opening while driving.”
NHTSA complaint #11706354, filed 2025-12Related service bulletins
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017443Apr 2, 2025This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11016948Mar 14, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of…
- 11017035Mar 13, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock and Unlock (Loss of Active Functions) Crank or Start (Loss of Passive…
- 11016946Mar 13, 2025This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925…
- 11017031Mar 12, 2025This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11013149Jan 17, 2025This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 9 | 24% |
| 2023 | 3 | 14% |
| 2022 | 2 | 14% |
| 2021 | 6 | 23% |
| 2020 | 10 | 16% |
| 2019 | 12 | 27% |
| 2018 | 10 | 15% |
| 2017 | 8 | 4% |
| 2016 | 8 | 6% |
| 2015 | 14 | 8% |
| 2014 | 27 | 9% |
| 2013 | 12 | 17% |
| 2012 | 19 | 14% |
| 2011 | 21 | 10% |
| 2010 | 23 | 8% |
| 2009 | 22 | 10% |
| 2008 | 73 | 14% |
Other parts of the 2018 Buick Enclave
21 complaintsTransmission and drivetrain
16 complaintsEngine
13 complaintsOther or unknown
8 complaintsForward collision avoidance
5 complaintsFuel system
5 complaintsAir bags
2 complaintsBack-over prevention (rear camera)
2 complaintsEngine cooling
2 complaintsExterior lighting
2 complaintsSteering
2 complaintsBody and structure
2 complaints
← All problems reported for the 2018 Buick Enclave
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology