Free 2003 Chevrolet Suburban VIN Decoder

How to decode a 2003 Chevrolet Suburban VIN

Characters 1-3 of a 2003 Chevrolet Suburban VIN

The World Manufacturer Identifier (WMI) is a unique code used to identify the manufacturer of a vehicle. It forms the first three characters of the Vehicle Identification Number (VIN), which provides detailed information about the vehicle, including its manufacturing location, year, make, and model. For the 2003 Chevrolet Suburban, the WMI can be either “3GN” or “1GN”, indicating that it was produced by General Motors LLC in Warren, Michigan, United States. This specific WMI categorizes the vehicle as a Multipurpose Passenger Vehicle (MPV), reflecting its design and utility. By analyzing the WMI, one can glean vital information about the vehicle’s origins and specifications.

List of WMI Codes for a 2003 Chevrolet Suburban

WMI: 3GN

• Model Years Covered: 1995-2009
• Example VIN: 3GNFK16T03G188649
• Manufacturer Name: General Motors LLC
• Vehicle Type: Multipurpose Passenger Vehicle (MPV)
• City: Warren
• State or Province: Michigan
• Country: United States

WMI: 1GN

• Model Years Covered: 1987-2024
• Example VIN: 1GNEC16Z13R282293
• 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 Suburban 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 Suburban:

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 Suburban 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 Suburban VIN — Year Code

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

Known 2003 Chevrolet Suburban Assembly Factory VIN Code(s)

VIN Characters 12 - 17 of a 2003 Chevrolet Suburban

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

What info can a 2003 Chevrolet Suburban VIN reveal?

• Model Year: The VIN can reveal the vehicle’s model year, being the year 2003, providing insights into the age and potential technological features of the vehicle at the time of manufacture.
• Vehicle Type: Classified as a Multipurpose Passenger Vehicle, it is designed to serve a variety of functions, which may include passenger carrying, towing, and off-road capabilities.
• Body Class: This vehicle is identified as a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV), suggesting a design that accommodates both passenger comfort and utility.
• Engine Specifications: With a V-Shaped engine configuration and a displacement of 5.3L or 5300cc, coupled with an 8-cylinder setup, this model, an L59 by GM, is built for power and performance.
• Drive Type: The 4WD (4-Wheel Drive/4x4) drive type indicates enhanced off-road and all-weather capabilities, providing traction and control in various driving conditions.
• Fuel Type: It operates as a Flexible Fuel Vehicle (FFV), which means it can run on more than one type of fuel, including unleaded gasoline or a gasoline-ethanol blend, offering versatility in fuel choice.
• Manufacturing Details: Production took place in Janesville, Wisconsin, United States, by GM Truck Group, linking the vehicle to a specific manufacturing heritage and quality standard.

Sample VIN Decode Report for a 2003 Chevrolet Suburban