How to decode a 2003 Chevrolet Monte Carlo VIN

Characters 1-3 of a 2003 Chevrolet Monte Carlo VIN

World Manufacturer Identifier (WMI) codes are unique sequences used to identify the manufacturer of a vehicle globally. The WMI for the 2003 Chevrolet Monte Carlo, “2G1”, indicates that the vehicle was manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. These codes are crucial in deciphering VINs, allowing identification of the vehicle’s make, model year, and manufacturing location. For the 2003 Chevrolet Monte Carlo, the WMI is part of a VIN that includes specific information, confirming it as a passenger car produced within the model years 1981, 1995-2007. This system of identification is standardized worldwide, providing a consistent method for identifying vehicles.

List of WMI Codes for a 2003 Chevrolet Monte Carlo

WMI: 2G1

Model Years Covered: 1981, 1995-2007
Example VIN: 2G1WW12E039104160
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 2003 Chevrolet Monte Carlo 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 2003 Chevrolet Monte Carlo:

Known VDS for a 2003 Chevrolet Monte Carlo
WW12E	WX15K	WX12K

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 2003 Chevrolet Monte Carlo 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 2003 Chevrolet Monte Carlo VIN — Year Code

Year Code	Year
3	2003

11th Character in the 2003 Chevrolet Monte Carlo VIN — Plant Code(s)

Known 2003 Chevrolet Monte Carlo Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
9	Oshawa #1	Ontario	Canada	Na-Gm Corp	2G1WW12E039104160

VIN Characters 12 - 17 of a 2003 Chevrolet Monte Carlo

The final 6 characters in a 2003 Chevrolet Monte Carlo’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your Chevrolet Monte Carlo’s VIN below:

How to find a 2003 Chevrolet Monte Carlo’s VIN?

Locating the VIN number on your 2003 Chevrolet Monte Carlo is key for identification. Here’s how to find it:

Check the dashboard on the driver’s side of your Chevrolet Monte Carlo. The VIN should be visible through the windshield on a small plate just beneath where the glass meets the dashboard.
Look at the door jamb on the driver’s side of your 2003 Chevrolet Monte Carlo. The VIN may be found on a label or sticker where the door latches when it is closed.
Examine the engine block of your Monte Carlo for the VIN, as it is sometimes stamped onto the engine itself.
Take a look at the vehicle’s trunk area, under the spare tire or the carpeting where the spare tire is stored. A VIN might be found here in some models.
Review your Chevrolet Monte Carlo’s insurance or vehicle registration documents, as the VIN is generally listed on all official paperwork pertaining to the vehicle.

What info can a 2003 Chevrolet Monte Carlo VIN reveal?

Model Year: The VIN can reveal the vehicle’s model year, suggesting that the car was manufactured around the year 2003, providing insights into the age and potential market value of the vehicle.
Manufacturer and Location: The VIN suggests that the vehicle was manufactured by GMPTG Flint in Oshawa, Ontario, Canada, indicating the origin and production specifics, based on the provided data.
Vehicle Specifications: This VIN decodes to a Monte Carlo SS Coupe with a 3.8L V-shaped engine and a displacement of approximately 231.89 cubic inches, showcasing the detailed specifications that can be derived from the VIN.
Engine Details: The VIN highlights the engine model L36, along with a V-Shaped engine configuration and a Sequential Fuel Injection (SFI) fuel delivery system, providing comprehensive engine information that may be obtainable from the VIN.
Safety Features: The VIN indicates the presence of front airbags for both the driver and passenger in the 1st row, as well as a side airbag for the driver’s seat only, portraying the potential safety equipment available in the vehicle.
Vehicle Type and Body: The data provides that the vehicle is classified as a passenger car with a body class of Coupe, specifying the vehicle’s design and intended use, based on the information provided.
Gross Vehicle Weight Rating (GVWR): The information categorizes the car in Class 1, which is 6,000 lb or less (2,722 kg or less), indicating the potential maximum weight rating of the vehicle including passengers and cargo.

Don’t have your 2003 Chevrolet Monte Carlo’s VIN handy? Try our license plate lookup instead!

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Sample VIN Decode Report for a 2003 Chevrolet Monte Carlo

Vehicle Spec	Value
Body Class	Coupe
Displacement (CC)	3800.0
Displacement (CI)	231.89022755998
Displacement (L)	3.8
Doors	2
Engine Configuration	V-Shaped
Engine Manufacturer	GMPTG Flint
Engine Model	L36
Engine Number of Cylinders	6
Front Air Bag Locations	1st Row (Driver and Passenger)
Fuel Delivery / Fuel Injection Type	Sequential Fuel Injection (SFI)
Gross Vehicle Weight Rating From	Class 1: 6,000 lb or less (2,722 kg or less)
Gross Vehicle Weight Rating To	Class 1: 6,000 lb or less (2,722 kg or less)
Model	Monte Carlo
Model Year	2003
Other Engine Info	Name Plate: Chevrolet, Pontiac, Buick
Plant City	Oshawa #1
Plant Company Name	NA-GM Corp
Plant Country	Canada
Plant State	Ontario
Seat Belt Type	Manual
Series	SS
Side Air Bag Locations	Driver Seat Only
Valve Train Design	Overhead Valve (OHV)
Vehicle Descriptor	2G1WX15K*39
Vehicle Type	Passenger Car
Sample_VIN	2G1WX15K039139778