The first three characters of a VIN are the World Manufacturer Identifier (WMI). 3C4 is assigned to Jeep, built in Mexico (North America). Any VIN that starts with 3C4 decodes to Jeep. The sample VINs below are checksum-valid and start with 3C4.
| Field | Value |
|---|---|
| WMI | 3C4 (VIN positions 1–3) |
| Manufacturer | Jeep |
| Country of assembly | Mexico |
| Region | North America (from the first character, 3) |
| Models seen here | Compass |
Jeep test VINs · Decode a 3C4 VIN →
After the 3C4 WMI, positions 4–8 describe the model, body and engine; position 9 is the mod-11 check digit; position 10 is the model year; position 11 is the assembly plant; and positions 12–17 are the serial number. See the full 17-digit VIN format.
3C4 is a Jeep WMI. Every VIN beginning with 3C4 was built by Jeep and decodes to that make.
The first character 3 places the manufacturer in Mexico (North America region) under the VIN standard.
No. They are synthetically generated but checksum-valid and use the real 3C4 WMI, so a decoder returns Jeep. No real vehicle's VIN is used.