VIN Basic's Blog

8 Reasons Why your VIN Won't Decode

If you're having trouble decoding vehicles in your inventory, consider this list of errors and challenges commonly faced when working with Vehicle Identification Numbers.

  1. Your VIN contains illegal characters. VINs can use any alphanumeric character, except for the letters I,O, and Q.
  2. Your VIN isn't 17 digits long. Starting with model year 1981, all VINs are required to be 17 digits long.
  3. Your VIN does not pass the VIN checksum test. See our article on VIN Validation for more information about the VIN checksum.
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Topicssss: validation, checksum, data license, vin decoding, VIN, vin explosion, vin api, VIN Decode