| UNIVIN CHECK DIGIT COMPUTATION CHART | |||||||||||||||||||||||
| 1. Assign a numerical value to all letters in the VIN (I, O, and Q are not allowed) | |||||||||||||||||||||||
| Letter | A | B | C | D | E | F | G | H | J | K | L | M | N | P | R | S | T | U | V | W | X | Y | Z |
| Value | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 1 | 2 | 3 | 4 | 5 | 7 | 9 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 2. A weight factor is assigned to all positions except the *9th - which is the check digit. | |||||||||||||||||
| Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | * | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Weight Factor | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 10 | * | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 |
| Instructions 1. Numercial values are multiplied by the weight factor and the products are added together. 2. The total is then divided by 11 and the remainder becomes the check digit at position #9. 3. If the remainder is 10 the check digit value is X. |
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| Example Computation For VIN# - JA3CA21A*PU010377 | |||||||||||||||||
| VIN# | J | A | 3 | C | A | 2 | 1 | A | * | P | U | 0 | 1 | 0 | 3 | 7 | 7 |
| Numerical Value |
1 | 1 | 3 | 3 | 1 | 2 | 1 | 1 | * | 7 | 4 | 0 | 1 | 0 | 3 | 7 | 7 |
| Weight Factor | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 10 | * | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 |
| Products | 8 | 7 | 18 | 15 | 4 | 6 | 2 | 10 | * | 63 | 32 | 0 | 6 | 0 | 12 | 21 | 14 |
| Total of Products is 218 divided by 11= 19 with remainder of 9 which is the check digit | |||||||||||||||||
| Valid VIN# | J | A | 3 | C | A | 2 | 1 | A | 9 | P | U | 0 | 1 | 0 | 3 | 7 | 7 |
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