How to decode a 2005 Chevrolet Blazer VIN

Characters 1-3 of a 2005 Chevrolet Blazer VIN

World Manufacturer Identifier (WMI) codes are distinctive three-character sequences that identify the manufacturer of a vehicle and, in some cases, additional information about where it was built or its type. For Chevrolet Blazer models produced between 1987 and 2005, the WMI “1GN” signifies vehicles manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. This particular WMI is designated for multipurpose passenger vehicles, which aligns with the Chevrolet Blazer’s classification. The presence of this WMI code at the beginning of the Vehicle Identification Number (VIN) ensures that any look-up or registration process can quickly identify the vehicle’s origin, make, and specific characteristics related to manufacturing.

List of WMI Codes for a 2005 Chevrolet Blazer

WMI: 1GN

Model Years Covered: 1987-2005
Example VIN: 1GNDT13X15K108119
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 2005 Chevrolet Blazer 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 2005 Chevrolet Blazer:

Known VDS for a 2005 Chevrolet Blazer
DT13X	CS13X	CS18X	CT18X

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 2005 Chevrolet Blazer 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 2005 Chevrolet Blazer VIN — Year Code

Year Code	Year
5	2005

11th Character in the 2005 Chevrolet Blazer VIN — Plant Code(s)

Known 2005 Chevrolet Blazer Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
K	Linden	New Jersey	United States	Gm Truck Group	1GNDT13X15K108119

VIN Characters 12 - 17 of a 2005 Chevrolet Blazer

The final 6 characters in a 2005 Chevrolet Blazer’s 17-digit VIN are its serial number, which will be unique to every vehicle.

Check your Chevrolet Blazer’s VIN below:

How to find a 2005 Chevrolet Blazer’s VIN?

Locating the VIN number on your 2005 Chevrolet Blazer is key for identification. Here’s how to find it:

Look at the dashboard on the driver’s side of your Chevrolet Blazer, near where the dashboard meets the windshield. The VIN can generally be seen from outside the vehicle, through the windshield.
Examine the driver’s side door jamb on your Chevrolet Blazer. When you open the door, you should find a VIN plate or sticker on the area where the door latches.
Check under the hood of your Chevrolet Blazer for a VIN number, which might be stamped on the engine block, the firewall, or on a metal plate attached to the chassis.
Inspect the rear wheel well above the tire. In some vehicles, including the Chevrolet Blazer, the VIN might be viewable in this area.
Look at the vehicle’s insurance card/insurance policy or the title and registration. These documents should have the VIN number of your Chevrolet Blazer listed. Remember to always confirm the VIN in multiple places to ensure accuracy.

What info can a 2005 Chevrolet Blazer VIN reveal?

Model Year: The VIN can reveal the vehicle’s model year, possibly indicating the year 2005, providing insights into the age and potential market value of the vehicle.
Vehicle Type and Body Class: The VIN data indicates the vehicle type as a Multipurpose Passenger Vehicle, possibly a Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV), possibly highlighting its intended use and design characteristics.
Engine Specifications: Engine details are encoded, such as a 4.3L V-Shaped configuration with 6 cylinders and Multipoint Fuel Injection (MPFI), possibly showcasing the power plant’s design and fuel delivery system.
Fuel Type: The VIN suggests that the vehicle uses Gasoline as its primary fuel source, possibly indicating the energy efficiency and environmental characteristics that can be expected.
Drive Type and Traction: It is possibly equipped with a 4WD (4-Wheel Drive/4x4) drive type, potentially suggesting enhanced off-road or adverse weather capabilities.
Safety Features: Information such as the presence of a Direct Tire Pressure Monitoring System (TPMS) can be gleaned, possibly signifying advanced safety features designed to alert drivers to tire pressure issues.
Manufacturing Details: The VIN data provides insights like the manufacturing location (Linden, New Jersey, United States) and the company (GM Truck Group), possibly offering clues to the vehicle’s production background and quality standards.

Don’t have your 2005 Chevrolet Blazer’s VIN handy? Try our license plate lookup instead!

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Sample VIN Decode Report for a 2005 Chevrolet Blazer

Vehicle Spec	Value
Body Class	Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV)
Brake System Type	Hydraulic
Cooling Type	Water
Displacement (CC)	4300.0
Displacement (CI)	262.40209960734
Displacement (L)	4.3
Doors	4
Drive Type	4WD/4-Wheel Drive/4x4
Engine Configuration	V-Shaped
Engine Manufacturer	WRN
Engine Model	LU3
Engine Number of Cylinders	6
Fuel Delivery / Fuel Injection Type	Multipoint Fuel Injection (MPFI)
Fuel Type - Primary	Gasoline
Gross Vehicle Weight Rating From	Class 1D: 5,001 - 6,000 lb (2,268 - 2,722 kg)
Model	Blazer
Model Year	2005
Other Engine Info	90 Degrees
Plant City	Linden
Plant Company Name	GM Truck Group
Plant Country	United States
Plant State	New Jersey
Tire Pressure Monitoring System (TPMS) Type	Direct
Trim	1/2 Ton
Valve Train Design	Overhead Valve (OHV)
Vehicle Descriptor	1GNDT13X*5K
Vehicle Type	Multipurpose Passenger Vehicle
Sample_VIN	1GNDT13X15K108119