How to decode a 1999 Chevrolet Monte Carlo VIN

Characters 1-3 of a 1999 Chevrolet Monte Carlo VIN

A World Manufacturer Identifier (WMI) is an essential part of a vehicle’s VIN (Vehicle Identification Number), designated to provide unique information about the vehicle’s manufacturer and region of production. For instance, a 1999 Chevrolet Monte Carlo has a WMI of “2G1”, signaling that it was manufactured by General Motors LLC in the United States, specifically in Warren, Michigan. This code is crucial for identifying where the car was made and by whom, making it easier for services and regulatory agencies to track vehicles. Additionally, the WMI helps to authenticate the vehicle’s origin, enhancing security measures and aiding in recall or service campaigns. Therefore, the WMI not only serves as a geographic and corporate identifier but also as a significant component in global automotive identification systems.

List of WMI Codes for a 1999 Chevrolet Monte Carlo

WMI: 2G1

Model Years Covered: 1981, 1995-2007
Example VIN: 2G1WW12M0X9168633
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 1999 Chevrolet Monte Carlo 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 1999 Chevrolet Monte Carlo:

Known VDS for a 1999 Chevrolet Monte Carlo
WW12M	WX12K

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 1999 Chevrolet Monte Carlo 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 1999 Chevrolet Monte Carlo VIN — Year Code

Year Code	Year
X	1999

11th Character in the 1999 Chevrolet Monte Carlo VIN — Plant Code(s)

Known 1999 Chevrolet Monte Carlo Assembly Factory VIN Code(s)

Plant Code	Plant City	Plant State	Plant Country	Plant Company Name	Example VIN
9	Oshawa #1	Ontario	Canada	Na-Gm Corp	2G1WW12M0X9168633

VIN Characters 12 - 17 of a 1999 Chevrolet Monte Carlo

The final 6 characters in a 1999 Chevrolet Monte Carlo’s 17-digit VIN are its serial number, which will be unique to every vehicle.

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How to find a 1999 Chevrolet Monte Carlo’s VIN?

Locating the VIN number on your 1999 Chevrolet Monte Carlo is key for identification. Here’s how to find it:

Look at the dashboard on the driver’s side of your 1999 Chevrolet Monte Carlo. The VIN is typically visible through the windshield on the lower right-hand side.
Open the driver’s side door and check the door jamb area for a sticker or plate that may display the VIN on your Monte Carlo.
Check under the hood of your Chevrolet Monte Carlo; the VIN might be found on a sticker or a plate mounted on the engine block, or on the firewall.
Inspect the trunk area of your Monte Carlo. The VIN can sometimes be found on the trunk lid, in the spare tire compartment, or on the trunk floor.
Look at your vehicle registration documents, insurance papers, or the title for your 1999 Chevrolet Monte Carlo, as the VIN will be listed there.
If all else fails, examine the frame or chassis of the vehicle, as the VIN is sometimes stamped directly onto the car’s frame, especially on older models like the 1999 Chevrolet Monte Carlo.

What info can a 1999 Chevrolet Monte Carlo VIN reveal?

Model Year: The VIN can reveal the vehicle’s model year, suggesting that it may be a 1999 model, providing insights into the age and potential market value of the vehicle.
Body Class and Doors: A VIN can specify the body class. For the 1999 Monte Carlo SS as this may indicate a Coupe with 2 doors, offering detailed insights into the vehicle’s design and structure.
Engine Type and Displacement: The VIN decodes to show a V-Shaped engine configuration with a displacement of 3.8 liters (3800.0 CC or 231.89 CI) and six cylinders, manufactured by GMPTG Flint, potentially indicating the vehicle’s power and performance capabilities.
Safety Features: Safety features such as front airbags located at the 1st row for both the driver and passenger are identified, showcasing the vehicle’s commitment to safety.
Fuel System: The VIN may reveal that the vehicle utilizes Sequential Fuel Injection (SFI) for fuel delivery, indicating the potential efficiency of its fuel system.

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Sample VIN Decode Report for a 1999 Chevrolet Monte Carlo

Vehicle Spec	Value
Body Class	Coupe
Displacement (CC)	3800.0
Displacement (CI)	231.89022755998
Displacement (L)	3.8
Doors	2
Engine Configuration	V-Shaped
Engine Manufacturer	GMPTG Flint
Engine Number of Cylinders	6
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	Monte Carlo
Model Year	1999
Other Engine Info	Name Plate: Chevrolet, Pontiac, Buick
Plant City	Oshawa #1
Plant Company Name	NA-GM Corp
Plant Country	Canada
Plant State	Ontario
Seat Belt Type	Manual
Series	SS
Valve Train Design	Overhead Valve (OHV)
Vehicle Descriptor	2G1WX12K*X9
Vehicle Type	Passenger Car
Sample_VIN	2G1WX12K0X9154887