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GMC Yukon XL 4WD

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While driving about 70 mph in the express lanes, the vehicle suddenly lost power and drifted like it went into neutral. There were no warning symbols. The vehicle could not restart even while coasting. After stopping, it locked itself in park and would not shift out of park. My family and I were trapped on the express lanes for over an hour in a dangerous location. The vehicle stayed stuck in park even on the tow truck. The dealer confirmed metal in the oil filter, a blown main fuse, and knocking when starting. The recall inspection and remedy were already done, but the failure still happened. The vehicle is undriveable and the required recall repair cannot be completed because the replacement engine is on backorder with no ETA.

GMC YUKON XL 2023 ELECTRICAL SYSTEM

lost power going down highway and coasted to a stop on the side of the road.  car was towed to a nearby gmc dealership and after inspection a new 6.2 motor is needed.  I did not notice any warning signals when I lost power.

GMC YUKON XL 2023 ENGINE

Engine seized after the pico test. Been 3 months waiting on an engine

The contact owns a 2023 GMC Yukon XL. The contact stated that while driving on several occasions at various speeds, the vehicle experienced unexpected gear shifting. The check engine warning light illuminated and then disappeared when the vehicle was restarted. The vehicle was not diagnosed or repaired. The contact used a handheld diagnostic machine and retrieved DTC: P0747. The manufacturer was notified of the failure. The failure mileage was 67,000.

GMC YUKON XL 2023 POWER TRAIN

The vehicle has the L87 GM engine. It lost complete power and the engine seized up and would not start again. Fortunately I was able to roll into a neighborhood and get off the main road with no issues. The dealer has confirmed the seized engine and a replacement engine has been ordered with no ETA. There was no prior warning of the failure, besides a shuddering, like I was running out of gas, and then a lose of complete power.

2023 GMC Yukon XL 4WD — vehicle data sourced from FuelEconomy.gov.

Le GMC Yukon XL 4WD (2023) est un SUV spacieux conçu pour la polyvalence et la sécurité. Avec son moteur puissant et sa transmission intégrale, il est prêt à affronter diverses conditions routières tout en offrant une expérience de conduite rassurante, confirmée par son statut de sécurité.

	2021	2022	2023	2024	2025	2026
Prix	—	—	$60,700	$63,300–$86,300	—	—
Cylindrée	5.3L	6.2L	6.2L	3L	3L	3L
Type de carburant	Essence ordinaire	Super	Regular	Diesel	Diesel	Diesel
Transmission	Automatique 10 vitesses	Automatique 10 vitesses	10 speed automatic	Automatique 10 vitesses	Automatique 10 vitesses	Automatique 10 vitesses
Type de carrosserie	SUV standard 4RM	SUV standard 4RM	SUV	SUV standard 4RM	SUV standard 4RM	SUV standard 4RM

GMC Yukon XL 4WD (2023) Spécifications