The first three characters of a VIN are the World Manufacturer Identifier (WMI). 1C4 is assigned to Jeep and Dodge, built in United States (North America). Any VIN that starts with 1C4 decodes to Jeep and Dodge. The sample VINs below are checksum-valid and start with 1C4.
| Field | Value |
|---|---|
| WMI | 1C4 (VIN positions 1–3) |
| Manufacturer | Jeep and Dodge |
| Country of assembly | United States |
| Region | North America (from the first character, 1) |
| Models seen here | Wrangler, Grand Cherokee, Cherokee, Durango |
Jeep test VINs · Dodge test VINs · Decode a 1C4 VIN →
After the 1C4 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.
1C4 is a Jeep and Dodge WMI. Every VIN beginning with 1C4 was built by Jeep and Dodge and decodes to that make.
The first character 1 places the manufacturer in United States (North America region) under the VIN standard.
No. They are synthetically generated but checksum-valid and use the real 1C4 WMI, so a decoder returns Jeep and Dodge. No real vehicle's VIN is used.