2018 Buick Enclave VIN Check, Recalls & Reliability

SERVICE BRAKES

Owners of the 2018 Buick Enclave frequently report issues with the electronic parking brake activating unexpectedly, both while stationary and in motion, often requiring the vehicle to be turned off to reset the system. Complaints also describe instances of brake system malfunctions, including loud grinding noises and ABS warning lights, with some incidents leading to crashes due to the brakes not engaging. These issues are reported across various mileage ranges, with some occurring as early as 1,200 miles. Safety implications are significant, with owners describing loss of vehicle control and requiring towing due to brake failures. Potential buyers should be aware of these recurring brake system issues, as they may impact vehicle reliability and safety.

Severity signals: 2 crash, 0 fire, 0 injury reports

POWER TRAIN

Owners report several power train issues with the 2018 Buick Enclave, primarily involving transmission failures and torque converter problems. Complaints frequently mention symptoms such as the vehicle failing to shift gears, shaking or sputtering during acceleration, and grinding or screeching noises. These issues often occur around mileages ranging from approximately 70,000 to 125,000 miles. One incident involved a crash where the vehicle rolled backward unexpectedly, highlighting potential safety concerns. Buyers should be aware of these recurring problems, as they may lead to significant repair costs and potential safety risks.

Severity signals: 1 crash, 0 fire, 0 injury reports

ELECTRICAL SYSTEM

Owners report issues with the 2018 Buick Enclave's electrical system, particularly involving the auto-stop feature and electronic parking brake. Common symptoms include the vehicle unexpectedly shutting down during stops, flickering headlights, and multiple warning lights activating, such as "Service Transmission" and "Service Parking Brake." Several complaints highlight parking brake malfunctions, including failure to disengage or engage properly, with some incidents leading to overheating brakes. These issues are reported at varying mileages, with one owner noting problems at just over 5,000 miles. Safety implications are evident as some owners describe near-miss accidents due to sudden loss of power or brake malfunctions, which could be concerning for potential buyers.

ENGINE

Owners of the 2018 Buick Enclave frequently report issues with the engine, particularly related to the automatic start-stop feature. Complaints describe the vehicle stalling or hesitating to move when at a stop, with some instances occurring in busy intersections, which could pose safety risks. Several reports mention the engine shutting down unexpectedly and failing to accelerate, sometimes accompanied by transmission warning lights or check engine lights, with codes like P0011 and P0024. These issues often occur at low mileages, around 3,500 miles, and owners express frustration over the lack of available remedies from the manufacturer. Additionally, one report highlights an exhaust leak from a broken front exhaust pipe, causing unusual noises and reduced gas mileage.

UNKNOWN OR OTHER

Owners of the 2018 Buick Enclave frequently report issues related to unintended vehicle behavior and malfunctioning safety features. Complaints commonly describe the vehicle shifting into a neutral state unexpectedly, sudden braking at low speeds, and erratic acceleration, often accompanied by dashboard lights flashing. These issues are reported to occur as early as 4,000 miles. Additional complaints highlight the failure of safety alerts such as front collision and lane departure warnings, which do not function as described despite being tested by a GM engineer. Safety implications include potential accidents due to unexpected stops or surges in traffic and inadequate warning systems. These issues could be crucial for used car buyers considering this model.

STEERING

Owners of the 2018 Buick Enclave report issues related to the steering system, particularly when the vehicle comes out of autostop mode. Complaints frequently mention that the power steering becomes disabled during this transition, making it difficult to maneuver the vehicle, especially during turns. This problem is noted to occur often and begins around 60,000 miles. Additionally, there is a report of the vehicle shutting off unexpectedly, which could have safety implications due to the loss of steering control. Used car buyers should be aware of these potential issues, especially if the vehicle has high mileage.

FUEL/PROPULSION SYSTEM

Owners report issues with the 2018 Buick Enclave's fuel/propulsion system, particularly involving the EVAP Purge Solenoid. A common symptom is the check engine light activating due to a leak caused by the solenoid not sealing properly, with diagnostic trouble code P0496-00 frequently identified. Another issue described is a strong gasoline odor, noticeable in enclosed spaces such as garages, which could pose safety concerns related to fuel vapor accumulation. These problems are reported regardless of vehicle age, with one owner noting the issue within the first year of ownership. Buyers should be aware of these potential issues, especially in enclosed environments.

STRUCTURE

Owners of the 2018 Buick Enclave report issues with the sunroof structure, specifically mentioning incidents where the sunroof explodes unexpectedly. Complaints frequently describe the sunroof shattering with a loud noise likened to a gunshot, leaving a large hole in the glass. These incidents occur while the vehicle is in motion, with one report occurring at approximately 15 mph and another on a highway. Safety implications include potential injury from shattered glass if the sunroof shade is not closed. Buyers considering this vehicle should be aware of these reported sunroof failures, which could affect safety and require repairs.