You will find the check digit in the ninth position of your chassis number. This plays a decisive role in the authenticity and accuracy of your VIN. If the vehicle identification number has been subsequently changed or created incorrectly, the check digit will differ.
To calculate the check digit, first replace all the letters in your VIN with the corresponding numbers according to the table below. Then each of the first 16 numbers (VIN without the check digit) is multiplied by a specific factor. This factor ranges from 2 to 10 and then again from 2 to 9, starting from right to left in the VIN.
The 17th digit of your VIN is multiplied by 2, the 16th by 3 and so on, with the ninth digit being multiplied by 10 before the eighth starts at 2 again. Finally, multiply the first digit of your VIN by 9. Add up all the numbers obtained. Divide the result by 11. The remainder of this division (0 to 10) is the check digit of your VIN. If the remainder is 10, the check digit is represented by the letter "X".
If you want to check the accuracy of your VIN, follow these steps and compare the result with the check digit of your chassis number.