Vin sequencing has reverted back. So 2020 vins will be unique.
The 1,2 and 3LT codes are back to the way they were pre 2020
2021 Vins have reverted the 5th digit back to alpha-numeric so to summarize.
So
1G1YB2D43L5101234 First four are always the same.
1st is Country of Origin: 1 = USA
2nd is Manufacturer: G = GM
3rd is Make of car: 1 = Chevrolet
4th is Car Line or Series: Y = Y-body series (Corvette)
5th is B = 1LT, D = 2LT, F=3LT
6th is 2 = coupe, 3 = HTC (Vert)
7th is always D (restraint system)
8th is engine type 4 = LT2
9th is the Check Digit. Use the
Check Digit Calculator
10th is model year M = 2021
11th is 5 = Bowling Green
12th is 1 = customer, 0 = CTF
The rest is partial vin. (sequential)