How to decode a 2004 GMC Yukon VIN

Characters 1-3 of a 2004 GMC Yukon VIN

A World Manufacturer Identifier (WMI) is the initial sequence of three letters or numbers in a Vehicle Identification Number (VIN), uniquely identifying the manufacturer of the vehicle. For instance, the WMI for a 2004 GMC Yukon indicates that the vehicle was manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. This WMI, “1GK,” signifies not only the company but also the vehicle’s type as a Multipurpose Passenger Vehicle (MPV), covering model years from 1992 to 2024. This specific sequence is crucial for identifying the vehicle’s origins, manufacturer, and certain characteristics directly from its VIN. Understanding a vehicle’s WMI provides valuable insights into its manufacturing background and specifications.

List of WMI Codes for a 2004 GMC Yukon

WMI: 1GK

Model Years Covered: 1992-2024
Example VIN: 1GKEK13T941242429
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 2004 GMC Yukon 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 2004 GMC Yukon:

Known VDS for a 2004 GMC Yukon
EK13T	EC13Z	EK13V	EC13V	EK13Z	EK634	EK63U	EC13T

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 2004 GMC Yukon 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 2004 GMC Yukon VIN — Year Code

Year Code	Year
4	2004

11th Character in the 2004 GMC Yukon VIN — Plant Code(s)

Known 2004 GMC Yukon Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
1	Wentzville	Missouri	United States	Gm Truck Corp	1GKEK13T941242429
J	Janesville	Wisconsin	United States	Gm Truck Group	1GKEC13Z04J114663
R	Arlington	Texas	United States	Gm Truck Group	1GKEK13V14R162450

VIN Characters 12 - 17 of a 2004 GMC Yukon

The final 6 characters in a 2004 GMC Yukon’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your GMC Yukon’s VIN below:

How to find a 2004 GMC Yukon’s VIN?

Locating the VIN number on your 2004 GMC Yukon is key for identification. Here’s how to find it:

Look at the dashboard on the driver’s side of your GMC Yukon. The VIN is usually visible through the windshield on a small metal or plastic plate.
Open the driver’s side door to inspect the door jamb. There should be a sticker or label on the frame where the door latches when closed that has the VIN.
Check under the hood of your GMC Yukon. The VIN might be stamped onto the engine block or on a plaque attached somewhere in the engine compartment.
Look at the rear-wheel well directly above the tire. Sometimes the VIN can be found stamped onto the body in this area.
Examine your GMC Yukon’s vehicle title, registration, or insurance documents. The VIN is always recorded on these legal documents.
Inspect underneath the spare tire. Sometimes the VIN is located in the area where the spare tire is stored.

What info can a 2004 GMC Yukon VIN reveal?

Model Year: The VIN can reveal the vehicles model year being the year 2004, providing insights into the age and potential market value of the vehicle.
Vehicle Type and Body Class: The VIN decodes indicate that the vehicle is a Multipurpose Passenger Vehicle, specifically a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV) with luxury trim, offering a glimpse into its intended use and level of comfort.
Engine and Performance: The vehicle is equipped with a GM LQ4 engine, a V-Shaped 8-cylinder engine with 6.0 liters displacement, highlighting its robust performance capabilities. This engine features a Multipoint Fuel Injection (MPFI) system and has a horsepower that benefits from a large 366.142 cubic inches displacement, suggesting powerful performance potential.
Drive Type and Brake System: It has a 4WD (4-Wheel Drive) system paired with a hydraulic brake system, indicating its capability to handle various driving conditions with reliable stopping power.
Fuel Type and Efficiency: It runs on gasoline and the fuel delivery system is engineered for efficiency and power, indicating a balance between performance and fuel consumption.
Manufacturing Details: Manufactured in Janesville, Wisconsin, United States by GM Truck Group, this detail helps in tracing the origin and ensuring authenticity.
Gross Vehicle Weight Rating: Classified under Class 2E, which ranges from 6,001 - 7,000 lb (2,722 - 3,175 kg), signifying its capability to handle significant weight, beneficial for both passengers and cargo.

Don’t have your 2004 GMC Yukon’s VIN handy? Try our license plate lookup instead!

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Sample VIN Decode Report for a 2004 GMC Yukon

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
Doors	4
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 2E: 6,001 - 7,000 lb (2,722 - 3,175 kg)
Model	Yukon
Model Year	2004
Other Engine Info	Iron
Plant City	Janesville
Plant Company Name	GM Truck Group
Plant Country	United States
Plant State	Wisconsin
Series	1500
Series2	1/2 Ton
Trim	Luxury
Vehicle Descriptor	1GKEK63U*4J
Vehicle Type	Multipurpose Passenger Vehicle
Sample_VIN	1GKEK63U04J108446