How to decode a 2004 Cadillac Seville VIN

Characters 1-3 of a 2004 Cadillac Seville VIN

A World Manufacturer Identifier (WMI) is a unique code used to identify the manufacturer of a vehicle, consisting of the first three characters of the Vehicle Identification Number (VIN). The WMI code “1G6” is assigned to General Motors LLC, headquartered in Warren, Michigan, United States. This specific code signifies that the vehicle, particularly a 2004 Cadillac Seville, is a passenger car produced by General Motors. The Cadillac Seville, as denoted by this WMI, was manufactured during the years 1981 to 2004, showcasing the vehicle’s manufacturing location and period. Through the WMI, essential information about the vehicle’s origin, make, and type can be easily determined.

List of WMI Codes for a 2004 Cadillac Seville

WMI: 1G6

Model Years Covered: 1981-2004
Example VIN: 1G6KS54Y04U100245
Manufacturer Name: General Motors LLC
Vehicle Type: Passenger Car
City: Warren
State or Province: Michigan
Country: United States

Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 2004 Cadillac Seville 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 Cadillac Seville:

Known VDS for a 2004 Cadillac Seville
KS54Y

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 Cadillac Seville 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 Cadillac Seville VIN — Year Code

Year Code	Year
4	2004

11th Character in the 2004 Cadillac Seville VIN — Plant Code(s)

Known 2004 Cadillac Seville Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
U	Hamtramck	Michigan	United States	Na-Gm Corp	1G6KS54Y04U100245

VIN Characters 12 - 17 of a 2004 Cadillac Seville

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

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How to find a 2004 Cadillac Seville’s VIN?

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

Examine the dashboard on the driver’s side of your 2004 Cadillac Seville. It’s frequently located just below the windshield, where it can be seen from outside the vehicle.
Look at the door pillar on the driver’s side when you open the front door. The VIN is typically found on a sticker or plate where the door locks into the body of the car.
Check under the hood of your Cadillac Seville; the VIN might be stamped onto the engine block or on a plaque attached to the firewall.
Inspect the trunk area, including under the spare tire, as some manufacturers place the VIN sticker in that location.
If your car has its original paperwork, the VIN will certainly be listed on the vehicle title, registration, and insurance documents.

What info can a 2004 Cadillac Seville VIN reveal?

Model Year: The VIN can reveal the vehicle’s model year, potentially indicating the vehicle’s age and market value.
Body Class and Size: The VIN can specify the body class, offering details about the body type and general size of the vehicle.
Engine Type: From the VIN, one might learn about the engine specifications, such as the engine type, size, and configuration, providing insights into the vehicle’s power and performance.
Fuel Type and Efficiency: The VIN could indicate the fuel type and efficiency of the vehicle, possibly offering specifics on its fuel management system and fuel economy.
Safety Features: Safety features like airbags and their placement may be specified, potentially indicating the extent of protection provided.
Manufacturing Details: The VIN could provide manufacturing details, such as the production plant location, which may help in understanding the vehicle’s origin.
Vehicle Specifications: Basic specifications such as seat belt type, cooling system type, and the number of doors and windows may be inferred from the VIN, painting a detailed picture of the vehicle’s design and features.

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Sample VIN Decode Report for a 2004 Cadillac Seville

Vehicle Spec	Value
Body Class	Sedan/Saloon
Cooling Type	Water
Displacement (CC)	4600.0
Displacement (CI)	280.70922283576
Displacement (L)	4.6
Doors	4
Engine Configuration	V-Shaped
Engine Manufacturer	WRN1
Engine Model	LD8
Engine Number of Cylinders	8
Front Air Bag Locations	1st Row (Driver and Passenger)
Fuel Delivery / Fuel Injection Type	Sequential Fuel Injection (SFI)
Fuel Type - Primary	Gasoline
Model	Seville
Model Year	2004
Plant City	Hamtramck
Plant Company Name	NA-GM Corp
Plant Country	United States
Plant State	Michigan
Seat Belt Type	Manual
Side Air Bag Locations	1st Row (Driver and Passenger)
Trim	SLS
Valve Train Design	Dual Overhead Cam (DOHC)
Vehicle Descriptor	1G6KS54Y*4U
Vehicle Type	Passenger Car
Windows	4
Sample_VIN	1G6KS54Y04U100245