2015 Buick Encore: engine failure

5 of the 124 complaints about the 2015 Buick Encore describe engine failure.

owner complaints: 5
of this car's complaints: 4%
recalls: 0

Is there a fix? 226 service bulletins cover this area of the car. See below

Engine failure by model year

2021
1
2019
2
2017
3
2016
4
2015
5
2014
1

What owners say

Filed Jul 29, 2026 · Engine · OH

Weber road auto service replaced the engine using county PRC and out-of-pocket funds, and the newly installed used engine has an active engine oil cooler leak, creating an immediate vehicle fire and sudden engine stalling hazard. Also there’s a leak at the ac compressor, condenser and coupler valves. This was discovered by Buckeye Auto Service. No repairs have been made as first shop keeps brushing me off.

Filed Jul 31, 2025 · Acceleration, Electrical · 138,000 miles · TX

The contact owns a 2015 Buick Encore. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate as intended while depressing the accelerator pedal. In addition, the steering wheel seized. The traction control warning light and the power steering warning light was illuminated, and the message to “Contact Dealer for Service” was displayed. The vehicle was towed to the dealer where it was diagnosed that one of the wiring harnesses connected with the CPU had failed. The wiring harness in the CPU was replaced. After the repair, while driving 60 MPH, the failure reoccurred and the vehicle failed to accelerate as intended while depressing the accelerator pedal, and the steering wheel seized. The vehicle was driven to the dealer to be diagnosed; however, the vehicle remained at the dealer unrepaired. The contact related the failure to the federal safety agency Campaign Number: 15V146000 (Steering). The manufacturer was not made aware of the failure. The failure mileage was approximately 138,000.

Filed Jan 30, 2024 · Steering · 88,326 miles · GA

The contact owns a 2015 Buick Encore. The contact stated while driving 55 MPH, the steering wheel seized with the electronic power steering warning light illuminated. The vehicle was towed to a gas station temporarily. The dealer was contacted and suggested the contact call the federal safety agency Hotline for assistance. The contact referenced the federal safety agency Campaign Number: 15V146000 (Steering) as a possible solution; however, the VIN was not included in the recall. The manufacturer was notified of the failure. The failure mileage was 88,326.

Filed Oct 15, 2018 · Engine · 25,000 miles · CO

There is a constant coolant leak appears to be coming from the turbo area. Coolant smell is constant as the coolant is being burned off by exhaust manifold. Loss of cooland can lead to overheating and engine failure.

Filed Jun 27, 2017 · Electrical, Steering · 24,000 miles · GA

Tl* the contact owns a 2015 buick encore. While driving 45 MPH, the steering wheel seized and the power steering warning indicator illuminated. The vehicle was towed to carl black chevrolet buick gmc (1110 roberts blvd, kennesaw, ga 30144 (770) 424-2200), but the failure could not be duplicated due to a dead battery. While the vehicle was being towed, the keys were left in the ignition and caused the battery to die. The dealer stated that the vehicle could have automatically reset itself as a result of the dead battery that needed to be recharged. The vehicle was not repaired. The manufacturer was notified of the failure and confirmed that the VIN was not included in the federal safety agency campaign number: 15v146000 (steering). The failure mileage was approximately 24,000.