How to decode a 2003 Chevrolet Corvette VIN

Characters 1-3 of a 2003 Chevrolet Corvette VIN

The World Manufacturer Identifier (WMI) is a unique code that identifies the manufacturer of a vehicle, its country of origin, and its vehicle type. For the 2003 Chevrolet Corvette, the WMI is “1G1,” indicating that General Motors LLC, located in Warren, Michigan, USA, is the manufacturer. The vehicle type, as identified by the WMI, is a passenger car. This code is the first segment of the Vehicle Identification Number (VIN), which provides specific information about the vehicle, including model year, plant where it was manufactured, and serial number. The WMI is essential for vehicle registration, identification, and tracking purposes globally.

List of WMI Codes for a 2003 Chevrolet Corvette

WMI: 1G1

Model Years Covered: 1981-1982, 1984-2024
Example VIN: 1G1YY32G035100090
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 Corvette 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 Corvette:

Known VDS for a 2003 Chevrolet Corvette
YY32G	YY22G	YY12S

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 Corvette 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 Corvette VIN — Year Code

Year Code	Year
3	2003

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

Known 2003 Chevrolet Corvette Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
5	Bowling Green	Kentucky	United States	Na-Gm Corp	1G1YY32G035100090

VIN Characters 12 - 17 of a 2003 Chevrolet Corvette

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

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How to find a 2003 Chevrolet Corvette’s VIN?

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

Examine the dashboard on the driver’s side of your Chevrolet Corvette, near where it meets the windshield, as the VIN can usually be seen from outside the vehicle.
Look at the door jamb on the driver’s side of your Chevrolet Corvette for a sticker or label that may contain the VIN, especially where the door latches upon closing.
Check the service tag found under the hood of your Chevrolet Corvette; it often includes the VIN along with other manufacturer details.
Examine the frame or chassis of your Chevrolet Corvette for any stamped numbers, as the VIN is sometimes placed on the frame, particularly around the engine bay.
Review insurance cards or policies, as well as the title and registration documents for the Chevrolet Corvette, as these papers will always contain the VIN.

What info can a 2003 Chevrolet Corvette VIN reveal?

Model Year: The VIN can reveal the vehicles model year as the year 2003, providing insights into the age and potential market value of the vehicle.
Engine Specifications: The engine specifics, including a V-Shaped configuration, displacement offered in CC (5700.0), CI (347.83534133997), and liters (5.7), and an 8-cylinder engine model LS6 crafted by WRN1, may suggest a robust performance.
Body Class and Doors: The VIN indicates the vehicle as a Coupe with 2 doors, potentially indicating the vehicle’s body style and size.
Fuel System: Information like the Sequential Fuel Injection (SFI) for fuel delivery may highlight the efficiency and performance aspect of the fuel system.
Safety Features: The presence of front airbags for both driver and passenger in the 1st row suggests the vehicle’s commitment to safety.
Manufacturing Details: Insights into the manufacturing, such as the assembly plant located in Bowling Green, Kentucky, United States by NA-GM Corp, might demonstrate the origin and quality assurance of the vehicle.
Vehicle Model and Type: The VIN decodes to signify a Corvette, classifying it as a Passenger Car, providing clear identification of the vehicle make and its intended use.

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Sample VIN Decode Report for a 2003 Chevrolet Corvette

Vehicle Spec	Value
Body Class	Coupe
Displacement (CC)	5700.0
Displacement (CI)	347.83534133997
Displacement (L)	5.7
Doors	2
Engine Configuration	V-Shaped
Engine Manufacturer	WRN1
Engine Model	LS6
Engine Number of Cylinders	8
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	Corvette
Model Year	2003
Other Engine Info	HO, Name Plate: Chevrolet
Plant City	Bowling Green
Plant Company Name	NA-GM Corp
Plant Country	United States
Plant State	Kentucky
Seat Belt Type	Manual
Vehicle Descriptor	1G1YY12S*35
Vehicle Type	Passenger Car
Sample_VIN	1G1YY12S035100633