How to decode a 2001 GMC Yukon XL VIN

Characters 1-3 of a 2001 GMC Yukon XL VIN

A World Manufacturer Identifier (WMI) is a unique code that identifies the manufacturer of a vehicle, and it forms the first three characters of the Vehicle Identification Number (VIN). Each WMI reveals critical information including the manufacturer’s name, vehicle type, and the country of assembly. For instance, the 2001 GMC Yukon XL, with WMI codes of “3GK” and “1GK”, indicates that these vehicles were manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. These codes categorize the Yukon XL as a Multipurpose Passenger Vehicle (MPV), highlighting its designed usage. WMIs are crucial for vehicle registration, identification, and regulatory purposes, ensuring each vehicle can be globally recognized by its unique attributes.

List of WMI Codes for a 2001 GMC Yukon XL

WMI: 3GK

Model Years Covered: 2000-2006
Example VIN: 3GKEC16T01G106356
Manufacturer Name: General Motors LLC
Vehicle Type: Multipurpose Passenger Vehicle (MPV)
City: Warren
State or Province: Michigan
Country: United States WMI: 1GK
Model Years Covered: 2001-2011, 2015-2024
Example VIN: 1GKFK66U01J191162
Manufacturer Name: General Motors LLC
Vehicle Type: Multipurpose Passenger Vehicle (MPV)
City: Warren
State or Province: Michigan
Country: United States

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 2001 GMC Yukon XL VIN

These characters correspond to components like:

Engine type
Transmission
Model or trim
Body style
Gross vehicle weight range

Below find the known vehicle descriptor codes for a 2001 GMC Yukon XL:

Known VDS for a 2001 GMC Yukon XL
EC16T	FK66U	FK16T	GK26G	GC26U	GC26G	GK26U

Auto manufacturers have some discretion to decide how they want to code this section, but its contents and decoded results are generally consistent.

Character 9 is the “check digit” in a 2001 GMC Yukon XL VIN.

Based on a formula developed by the US Department of Transportation, it helps reduce fraud by ensuring the validity of the VIN.

10th Character in the 2001 GMC Yukon XL VIN — Year Code

Year Code	Year
1	2001

11th Character in the 2001 GMC Yukon XL VIN — Plant Code(s)

Known 2001 GMC Yukon XL Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
G	Silao	Guanajuato	Mexico		3GKEC16T01G106356
J	Janesville	Wisconsin	United States	Gm Truck Group	1GKFK66U01J191162

VIN Characters 12 - 17 of a 2001 GMC Yukon XL

The final 6 characters in a 2001 GMC Yukon XL’s 17-digit VIN are its serial number, which will be unique to every vehicle.

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How to find a 2001 GMC Yukon XL’s VIN?

Locating the VIN number on your 2001 GMC Yukon XL is key for identification. Here’s how to find it:

Look at the dashboard on the driver’s side of your GMC Yukon XL, particularly where the dashboard meets the windshield. The VIN is typically displayed on a small plate and is visible through the windshield.
Inspect the door frame on the driver’s side of your GMC Yukon XL. When you open the door, examine the area where the door latches to the frame, as there is often a sticker or plate with the VIN.
Examine the engine block of your GMC Yukon XL, as the VIN is sometimes stamped directly onto the engine.
Check beneath the spare tire in the cargo area of your GMC Yukon XL. Sometimes the VIN is located there on a sticker or stamped onto the body of the vehicle.
Review your GMC Yukon XL’s vehicle registration documents, insurance cards, or titles, as the VIN will be printed on these official documents.

What info can a 2001 GMC Yukon XL VIN reveal?

Model Year: The VIN can reveal the vehicles model year being the year 2001, providing insights into the age and potential market value of the vehicle.
Engine Details: Detailed engine specifications, including a V-Shaped configuration, displacement in liters (6.0L), and the engine model (LQ4), can be derived from the VIN, providing potential insights into the vehicle’s performance and power.
Fuel Type and Efficiency: The VIN can reveal the primary fuel type used by the vehicle, for example, Gasoline, along with the fuel delivery system type, like Multipoint Fuel Injection (MPFI), offering potential insights into the vehicle’s fuel efficiency and environmental impact.
Drive Type and Vehicle Type: Insights into the vehicle’s drive type, such as 4WD/4-Wheel Drive/4x4, and its classification as a Multipurpose Passenger Vehicle, are encoded within the VIN, helping to understand the vehicle’s capabilities and potential off-road performance.
Vehicle Specifications: The VIN includes basic vehicle specifications such as the make, model (Yukon XL), and specific trim (1500 (1/2 ton) Luxury), guiding users on the vehicle’s capabilities and features, potentially aiding in decision-making processes.
Manufacturing Information: The place of manufacture is detailed, pinpointing the plant city (Janesville), plant state (Wisconsin), and the country (United States), along with the manufacturing company’s name (GM Truck Group), offering insights into the vehicle’s origin and manufacturing details.
Body Class and Safety Features: The body class of the vehicle can be identified as a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV), which, combined with details such as the brake system type (Hydraulic), implies certain safety and operational characteristics, potentially aiding in understanding its safety features and driving dynamics.

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Sample VIN Decode Report for a 2001 GMC Yukon XL

Vehicle Spec	Value
Body Class	Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV)
Brake System Type	Hydraulic
Displacement (CC)	6000.0
Displacement (CI)	366.14246456839
Displacement (L)	6.0
Drive Type	4WD/4-Wheel Drive/4x4
Engine Configuration	V-Shaped
Engine Manufacturer	GM
Engine Model	LQ4
Engine Number of Cylinders	8
Fuel Delivery / Fuel Injection Type	Multipoint Fuel Injection (MPFI)
Fuel Type - Primary	Gasoline
Gross Vehicle Weight Rating From	Class 2F: 7,001 - 8,000 lb (3,175 - 3,629 kg)
Model	Yukon XL
Model Year	2001
Other Engine Info	Iron
Plant City	Janesville
Plant Company Name	GM Truck Group
Plant Country	United States
Plant State	Wisconsin
Trim	1500 (1/2 ton) Luxury
Vehicle Descriptor	1GKFK66U*1J
Vehicle Type	Multipurpose Passenger Vehicle
Sample_VIN	1GKFK66U01J191162