Free 2003 Chevrolet Express VIN Decoder

How to decode a 2003 Chevrolet Express VIN

Characters 1-3 of a 2003 Chevrolet Express VIN

A World Manufacturer Identifier (WMI) is a unique code consisting of the first three characters in a Vehicle Identification Number (VIN), which identifies the manufacturer of the vehicle. The WMI for the 2003 Chevrolet Express, produced by General Motors LLC, is either “1GC” for trucks or “1GN” for Multipurpose Passenger Vehicles (MPV). These vehicles were manufactured in Warren, Michigan, United States, covering model years from 1997 through 2024 for “1GC” and until 2017 for “1GN”. The WMI is crucial for accurately identifying the vehicle’s manufacturing history, specifications, and origin, providing a reliable means of vehicle identification worldwide.

List of WMI Codes for a 2003 Chevrolet Express

WMI: 1GC

• Model Years Covered: 1997-2024
• Example VIN: 1GCGG29V031227188
• Manufacturer Name: General Motors LLC
• Vehicle Type: Truck
• City: Warren
• State or Province: Michigan
• Country: United States

WMI: 1GN

• Model Years Covered: 1997-2017
• Example VIN: 1GNFG15T131163275
• 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 2003 Chevrolet Express 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 Express:

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 Express 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 Express VIN — Year Code

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

Known 2003 Chevrolet Express Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 2003 Chevrolet Express

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

What info can a 2003 Chevrolet Express VIN reveal?

• Model Year: The VIN can reveal the vehicle’s model year as 2003, providing insights into the age and potential market value of the vehicle.
• Body Class and Vehicle Type: It indicates that the vehicle is designed as a Cargo Van and is classified under the Truck category, offering insights into its intended use and capabilities.
• Engine Details: The VIN provides information about the engine, including a V-shaped configuration, a displacement of 4.3 liters, and it being a 6-cylinder model manufactured by WRN, specifying its power and design characteristics.
• Fuel Efficiency and Type: The VIN suggests that the vehicle uses Gasoline as its primary fuel type, with a Multipoint Fuel Injection (MPFI) system, which can give insights into its fuel efficiency and environmental impact.
• Drive Type and Gross Vehicle Weight Rating: It specifies a 4x2 drive type and falls within Class 2F for gross vehicle weight rating, signaling its load-carrying capacity and the type of drivetrain it possesses.
• Manufacturing Details: Detailed manufacturing insights include the plant’s location in Wentzville, Missouri, United States, by the GM Truck Corp, pointing towards its assembly lineage.
• Safety Features: While not explicitly listed, the VIN can potentially offer insights into the vehicle’s safety features based on its model and the standards of the production year.

Sample VIN Decode Report for a 2003 Chevrolet Express

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