What are VIN check digits required for?

The check digits in a Vehicle Identification Number (VIN) serve a specific purpose in ensuring the validity of the VIN itself. This digit is used to verify that the VIN has been correctly composed according to specified standards set by the International Organization for Standardization (ISO). It acts as a form of error-checking which helps to prevent mistakes when entering the VIN manually or when it is being scanned. This check digit is calculated using a specific formula based on the other digits in the VIN, thus ensuring that the entire number adheres to established protocols for vehicle identification.

In contrast, while vehicle recalls and manufacturing dates are related topics of vehicle information, they are not functions of the check digits specifically. Additionally, the VIN does not denote vehicle color through any of its digits. Therefore, understanding the role of the check digit within the context of the VIN is crucial for recognizing the secure and standardized system of vehicle identification.