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Buick Encore GX AWD

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The contact owned a 2025 Buick Encore GX. The contact stated that while driving at an undisclosed speed, the GPS failed to operate properly. Additionally, the air conditioning system was inoperable. The contact stated that while driving in the heat, the contact to briefly became unconscious. Due to the failure, OnStar was contacted to providing GPS assistance. After arriving to the destination, the navigation system started operating as designed. The dealer was contacted and diagnosed the vehicle with engine under-boost failure, loss in communication with the telematics communication interface control module, an open ethernet bus, an auxiliary heater command low voltage, lost communication with the inflatable restraint sensing and diagnostic module, and loss of communication with the direction camera control module. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 20,000.

BUICK ENCORE GX 2025 ELECTRICAL SYSTEM

Second complete powertrain failure on March 14, 2026 at 13,993 miles, nine days after first repair (complete transmission replacement for bone-dry sealed transmission). Symptoms: sudden loss of power on highway (unable to exceed 20 mph with accelerator fully depressed), hollow sound, noise described as "like a rock tumbling around inside." OnStar diagnostics returned "No Error Code Found" twice (11:14 AM and 11:17 AM) during active failure. Dealer (Loveland Buick GMC) diagnosed "battery issue" but provided indefinite loaner with no return date. Symptoms are consistent with engine bearing or connecting rod failure matching Cook et al. v. General Motors (Case No. 1:26-cv-00229, D. Del., filed March 4, 2026) covering 1.2L/1.3L turbo engines in the Buick Encore platform. Complaint alleges GM knew about defect "since 2022, if not earlier" and instructed dealers to tell consumers vehicles are "operating normally." First failure involved sealed transmission running with zero fluid. Skipped oil change after transmission repair (documented in GM Executive Resolution emails) may have allowed metal contamination to damage engine components. Requesting investigation into whether dealer's "battery" diagnosis was accurate or whether actual diagnostic codes indicate engine failure consistent with Cook v. GM class pattern.

BUICK ENCORE GX 2025 POWER TRAIN

Sealed transmission found "bone dry" at approximately 13,000 miles. No consumer-accessible dipstick. Complete transmission failure January 2, 2026. Second complete powertrain failure March 14, 2026, nine days after first repair completed. Symptoms on second failure (loss of power, hollow tumbling sound) consistent with engine bearing/connecting rod failure matching Cook et al. v. General Motors (Case No. 1:26-cv-00229, D. Del.) covering 1.2L/1.3L turbo engines. Dealer diagnosed "battery issue" on second failure and provided indefinite loaner. Vehicle purchased June 2025. Two failures within 9 months and 13,000 miles on a sealed powertrain system the consumer cannot inspect.

BUICK ENCORE GX 2025 UNKNOWN OR OTHER

On the morning of 11/01/2025, the vehicle was in volved in a fire.  The cause of the fire is uncertain so the insurance company is investigating it and asked I report it to the NHTSA.

I am reporting a defect involving my **2025 Buick Encore GX AWD manufactured by General Motors. Within two days of purchasing the vehicle, the dashboard displayed the warning message âService Charging System â Vehicle May Stall.â I contacted the dealership on the third day of ownership and was instructed to bring the vehicle in for service. Since that time the vehicle has required multiple repair visits related to the charging system. Repairs included diagnosis of the electrical charging system, replacement of the alternator, and replacement of wiring harness components related to the charging system. I later learned the alternator had already been replaced prior to my purchase of the vehicle, and it required replacement again after purchase during the repair process. Because the charging system warning appeared almost immediately after purchase, I am concerned the defect may have existed prior to the vehicle being sold. Although the warning message is not currently appearing after the most recent repair, the defect occurred almost immediately after purchase and required repeated service visits. The vehicle still does not appear to operate normally. While driving at a steady highway speed, pressing the accelerator sometimes results in no immediate response. There can be a delay of approximately one to two seconds before the vehicle begins accelerating even when additional pressure is applied to the accelerator pedal. I have also noticed the engine sounds louder than expected while idling. Because the original warning indicated the vehicle may stall and the vehicle continues to demonstrate abnormal acceleration response, I believe this may represent a potential safety concern. I sought resolution with the manufacturer, however the manufacturer has not accepted responsibility for the condition. I am submitting this complaint so the issue is documented in case other owners experience similar charging system or acceleration problems.

BUICK ENCORE GX 2025 VEHICLE SPEED CONTROL

2025 Buick Encore GX AWD — vehicle data sourced from FuelEconomy.gov.

Der Buick Encore GX AWD (2025) ist ein sicheres Fahrzeug, das sich ideal für den Alltag eignet. Mit seinem Allradantrieb und einem effizienten 1,3-Liter-Turbomotor bietet er eine gute Balance aus Leistung und Kraftstoffeffizienz.

	2020	2021	2022	2023	2024	2025	2026
Preis	—	—	—	$26,300	$26,300–$34,000	$27,900	—
Hubraum	1.3L	1.3L	1.3L	1.3 litre1338 cc(81.65 cu in)	1.3L	1.5L	1.3L
Kraftstoffart	Normal	Normal	Normal	Benzin	Normal	Regular	Normal
Getriebe	Automatik 9-Gang	Automatik 9-Gang	Automatik 9-Gang	9-Gang-Automatik	Automatik 9-Gang	Continuously Variable Transmission (CVT)	Automatik 9-Gang
Karosserieform	Kompakter SUV 4WD	Kompakter SUV 4WD	Kompakter SUV 4WD	4/5-Sitzer SUV	Kompakter SUV 4WD	SUV	Kompakter SUV 4WD

Buick Encore GX AWD (2025) Spezifikationen