Free 2003 Chevrolet Avalanche VIN Decoder

How to decode a 2003 Chevrolet Avalanche VIN

Characters 1-3 of a 2003 Chevrolet Avalanche VIN

World Manufacturer Identifier (WMI) codes are unique three-letter codes used to identify the manufacturer of a vehicle globally. For the 2003 Chevrolet Avalanche, the WMI code is “3GN”, indicating that the vehicle was manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. The code is the first part of the Vehicle Identification Number (VIN), which provides detailed information about the vehicle, including its manufacturer, model year, and specific attributes. The WMI is particularly useful for identifying the country of manufacture and the vehicle type, with the 2003 Chevrolet Avalanche classified as a Multipurpose Passenger Vehicle (MPV). This system allows for easy identification and verification of vehicles across international borders and within databases.

List of WMI Codes for a 2003 Chevrolet Avalanche

WMI: 3GN

• Model Years Covered: 2002-2013
• Example VIN: 3GNEK13T03G113384
• 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 Avalanche 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 Avalanche:

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 Avalanche 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 Avalanche VIN — Year Code

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

Known 2003 Chevrolet Avalanche Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 2003 Chevrolet Avalanche

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

Check your Chevrolet Avalanche’s VIN below:

VIN

Search

What info can a 2003 Chevrolet Avalanche VIN reveal?

• Model Year: The VIN can reveal the vehicles model year being the year 2003, providing insights into the age and potential market value of the vehicle.
• Body Class and Type: The VIN can specify the vehicle’s body class, possibly indicating it as a Sport Utility Truck (SUT) with a specific configuration of 4 doors, offering detailed insights into the vehicle’s design and intended use for both passenger and cargo transport.
• Engine Details: Specific engine information such as the engine manufacturer, engine model, and its configuration are typically included, possibly revealing a powerful 8.1L engine with multipoint fuel injection and a water cooling system.
• Fuel Type and Efficiency: The primary fuel type, in this case, Gasoline, is usually included, providing insight into fuel efficiency and performance characteristics.
• Drive Type: Information about the vehicle’s drive type, possibly indicating a 4x2 drive type, can often be found, helping in understanding the vehicle’s handling characteristics and drive configuration.
• Manufacturing Details: The VIN may reveal the vehicle’s manufacturing location, possibly including the city, the country, and even the specific state, highlighting the plant’s geographical specifics where the vehicle was assembled.
• Gross Vehicle Weight Rating (GVWR): It can include details on the vehicle’s weight class, with this particular vehicle possibly falling into Class 2G: 8,001 - 9,000 lb (3,629 - 4,082 kg), indicating its capacity and size.

Sample VIN Decode Report for a 2003 Chevrolet Avalanche

Source