How to decode a 1991 Chevrolet GMT-400 VIN
Characters 1-3 of a 1991 Chevrolet GMT-400 VIN
A World Manufacturer Identifier (WMI) is a unique code used to identify the manufacturer of a vehicle globally. This three-character code not only identifies the manufacturer but also provides insights into the vehicle type and its production location. For example, the 1991 Chevrolet GMT-400, a truck made by General Motors LLC, uses the WMI “1GC” for vehicles manufactured in the United States, specifically in Warren, Michigan, covering the model years from 1988 to 2000. Similarly, “2GC” is used for the same model and manufacturer but identifies vehicles produced during 1988 to 1998, indicating slight variations or specifications tailored to different markets or production batches. WMIs serve as an essential tool in vehicle identification, allowing for precise tracking and registration of vehicles worldwide.
List of WMI Codes for a 1991 Chevrolet GMT-400
WMI: 1GC
- Model Years Covered: 1988-2000
- Example VIN: 1GCDC14Z0MZ212910
- Manufacturer Name: General Motors LLC
- Vehicle Type: Truck
- City: Warren
- State or Province: Michigan
- Country: United States WMI: 2GC
- Model Years Covered: 1988-1998
- Example VIN: 2GCEC19K0M1127025
- Manufacturer Name: General Motors LLC
- Vehicle Type: Truck
- City: Warren
- State or Province: Michigan
- Country: United States
Characters 4-8 are the Vehicle Descriptor Section (VDS) of a 1991 Chevrolet GMT-400 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 1991 Chevrolet GMT-400:
| Known VDS for a 1991 Chevrolet GMT-400 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| DC14Z | EC19K | FK29K | DC14H | GK29K | EK19H | EC14K | EK14K | FK29C | EC19H |
| FC24K | DC14K | GK24K | EK19Z | DK14Z | FK24K | DK14K | EC14H | DK14H | GC24K |
| FC24H | HC34N | GC29N | HK39J | EC14Z | FC29K | GK24N | EK14Z | EK19K | GK29N |
| HC39N | DC14N | EC19Z | FK24Z | ||||||
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 1991 Chevrolet GMT-400 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 1991 Chevrolet GMT-400 VIN — Year Code
| Year Code | Year |
|---|---|
| M | 1991 |
11th Character in the 1991 Chevrolet GMT-400 VIN — Plant Code(s)
Known 1991 Chevrolet GMT-400 Assembly Factory VIN Code(s)
| Plant Code | Plant City | Plant State | Plant Country | Plant Company Name | Example VIN |
|---|---|---|---|---|---|
| 1 | Oshawa Truck | Ontario | Canada | Na-Canada-Truck | 2GCEC19K0M1127025 |
| E | Pontiac | Michigan | United States | Na-Truck Platform | 1GCDC14H3ME129468 |
| Z | Fort Wayne | Indiana | United States | Na-Truck Platform | 1GCDC14Z0MZ212910 |
VIN Characters 12 - 17 of a 1991 Chevrolet GMT-400
The final 6 characters in a 1991 Chevrolet GMT-400’s 17-digit VIN are its serial number, which will be unique to every vehicle.
Check your Chevrolet GMT-400’s VIN below:
How to find a 1991 Chevrolet GMT-400’s VIN?
Locating the VIN number on your 1991 Chevrolet GMT-400 is key for identification. Here’s how to find it:
- Look at the dashboard on the driver’s side of your Chevrolet GMT-400, where it’s common to find the VIN visible through the windshield.
- Open the door and check the area where the door latches to the body, which is the door jamb, for a sticker that typically has the VIN on your 1991 Chevrolet GMT-400.
- Inspect under the hood where the engine block is located; the VIN might be stamped onto a part of the frame or on a metal plate attached near the engine of your Chevy.
- Look inside the glove box for a sticker or plate; sometimes the VIN is placed there in Chevrolet vehicles.
- On older trucks like your 1991 Chevrolet GMT-400, check the front frame. The VIN might be stamped on the top frame rail on the passenger’s side.
- Investigate the vehicle’s paperwork, such as the title, registration, or insurance documents, where the VIN of your Chevrolet GMT-400 is always recorded.
What info can a 1991 Chevrolet GMT-400 VIN reveal?
- Model Year: The VIN can reveal the vehicle’s model year, suggesting that it may be from around 1991, providing insights into the age and potential market value of the vehicle.
- Body Class and Size: A VIN can provide information on the body class and size, possibly indicating that the vehicle is a Pickup designed for a 3/4 ton nominal load, offering detailed insights into the vehicle’s design and capabilities.
- Engine Specifications: Details such as a V-Shaped configuration, 5.7 liters displacement, and 8 cylinders, possibly manufactured by CPC, could be encoded within the VIN, offering insights into the vehicle’s engine power and performance.
- Drive Type and Fuel Efficiency: The VIN may indicate that the vehicle is equipped with 4WD/4-Wheel Drive/4x4 and uses Gasoline as its primary fuel type, possibly featuring Throttle Body Fuel Injection (TBI) for fuel delivery, which might affect the vehicle’s handling and fuel efficiency.
- Safety Features and Modifications: Although not directly specified, the VIN might provide hints about the capability for LPG conversion, implying potential flexibility in the engine’s fuel system usage, which could impact the vehicle’s fuel options.
- Manufacturing Details: The VIN could reveal that it’s built in Fort Wayne, Indiana, United States, hinting at the manufacturing location’s influence on design and specifications.
- Vehicle Type and Use: Classified as a Truck under the Gross Vehicle Weight Rating Class 2F, potentially indicating its designed usage and regulatory classification.
Don’t have your 1991 Chevrolet GMT-400’s VIN handy? Try our license plate lookup instead!
Sample VIN Decode Report for a 1991 Chevrolet GMT-400
| Vehicle Spec | Value |
|---|---|
| Body Class | Pickup |
| Brake System Type | Hydraulic |
| Cab Type | Extra/Super/Quad/Double/King/Extended |
| Displacement (CC) | 4300.0 |
| Displacement (CI) | 262.40209960734 |
| Displacement (L) | 4.3 |
| Drive Type | 4x2 |
| Engine Configuration | V-Shaped |
| Engine Manufacturer | CPC |
| Engine Number of Cylinders | 6 |
| Fuel Delivery / Fuel Injection Type | Throttle Body Fuel Injection (TBI) |
| Fuel Type - Primary | Gasoline |
| Gross Vehicle Weight Rating From | Class 2E: 6,001 - 7,000 lb (2,722 - 3,175 kg) |
| Model | GMT-400 |
| Model Year | 1991 |
| Other Engine Info | 90 Degree |
| Plant City | Oshawa Truck |
| Plant Company Name | NA-canada-Truck |
| Plant Country | Canada |
| Plant State | Ontario |
| Series | Conventional Cab |
| Trim2 | 1/2 ton nominal |
| Vehicle Descriptor | 2GCEC19Z*M1 |
| Vehicle Type | Truck |
| Sample_VIN | 2GCEC19Z8M1210781 |
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