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Discussion Starter · #1 · (Edited)
Being eager to check within TOPIX about my "next to be delivered" car, I started investigating on how to guess my "magic number" due to the fact that my dealer is reluctant/not able to provide me such info.

Here is what I came out with so far:

A) modern VIN numbers are composed by 19 elements as deescribed below
1. Country where car was built (S for England)
2. The automaker (A for Jaguar)
3. Vehicle type or manufacturing division (J for Jaguar Division)
4 to 7. Features/attributes like 4 doors, sedan, rear drive (AB4B for XE)
8. Engine type (found different codes for 3 different engines)
9. VIN Accuracy check digit, it is calculated (do not know how) and goes from 0 to 9 and use X instead of 10 (found 3 different numbers in 3 different cases)
10. Model year, it comes from a cycle table and for 2016 (the actual XE) is G
11. Assembly plant for the vehicle (for Solihull is A)
12. First of the 6 digits serial construction number. I found only 2 complete VIN and in both case 9 is used
13 to 17 serial construction number.

Now...... Here are the finding:
Marc's car, 2L diesel 180hp automatic
S A J A B 4 B N 7 G A Thanks Marc for the precious info

Demo car 2L petrol 240HP automatic

S A J A B 4 B G 4 G A 9 0 0 4 3 7

Demo car 3L V6 340hp automatic

S A J A B 4 B V 2 G A 9 0 0 3 9 9

So the common characters are:

S A J A B 4 B G A 9

The so far known engine versions for character 8 are:
N. 2L diesel 180hp
G. 2L petrol 240hp
V. 3L petrol 340hp

We need to find the calculation method for character 9 and then try topix for the last serial that are simply sequential.

I know..... Looks a little weird >:D>:D>:D
 

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Hey,

Don't you have better things to do on a saturday nigh? Haha, just kidding!

Nice work! But very strange that you dealer can't/won't give you your VIN number...Mine emailed me weeks ago.

Please note: your VIN code will only appear on TOPIx after the car is built. Mine appeared a day after.

When it's on TOPIx, you can get the complete specs by clicking the PRINT button on the screen. Default only shows some generic stuff.

Have a nice weekend!
Ciao
Marc.
 

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I've added the detailed print of my specs on TOPIx so you can see what to expect. I removed the header of the print.
 

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Discussion Starter · #4 ·
got the method, worked out with the 2 complete VINs.

Check Digit Calculation

Firstly, find the numerical value associated with each letter in the VIN. (I, O and Q are not allowed.) Numerical digits use their own values.

A: 1 J: 1
B: 2 K: 2 S: 2
C: 3 L: 3 T: 3
D: 4 M: 4 U: 4
E: 5 N: 5 V: 5
F: 6 W: 6
G: 7 P: 7 X: 7
H: 8 Y: 8
R: 9 Z: 9
Secondly, look up the weight factor for each position in the VIN except the 9th (the position of the check digit).

1st: ×8 5th: ×4 10th: ×9 14th: ×5
2nd: ×7 6th: ×3 11th: ×8 15th: ×4
3rd: ×6 7th: ×2 12th: ×7 16th: ×3
4th: ×5 8th: ×10 13th: ×6 17th: ×2
Thirdly, multiply the numbers and the numerical values of the letters by their assigned weight factor, and sum the resulting products. Divide the sum of the products by 11. The remainder is the check digit. If the remainder is 10, the check digit is the letter X. Valid check digits also run through the numbers zero to 9.


Worked example

Consider the hypothetical VIN 1M8GDM9A_KP042788, where the underscore will be the check digit.

VIN: 1 M 8 G D M 9 A _ K P 0 4 2 7 8 8
Value: 1 4 8 7 4 4 9 1 0 2 7 0 4 2 7 8 8
Weight: 8 7 6 5 4 3 2 10 0 9 8 7 6 5 4 3 2
Products: 8 28 48 35 16 12 18 10 0 18 56 0 24 10 28 24 16
The sum of all 16 products is 351. Dividing by 11 gives a remainder of 10, so the check digit is "X" and the complete VIN is 1M8GDM9AXKP042788
 

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Discussion Starter · #5 ·
Now I am completely in >:D

First surprise! :eek:
For the same car model the assigned final 3 digits do not fit the production date; I imagined the numbers would increase through calendar but instead I had:
#614 on April 21
#640 on April 23
#600 on April 28
#638 on April 28
#637 on April 29

Strange sequence, isn't ? :confused::confused:
 

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Now I am completely in >:D

First surprise! :eek:
For the same car model the assigned final 3 digits do not fit the production date; I imagined the numbers would increase through calendar but instead I had:
#614 on April 21
#640 on April 23
#600 on April 28
#638 on April 28
#637 on April 29

Strange sequence, isn't ? :confused::confused:
I guess it's the allocation number? My car was build on May 4th, last three digits are 774.
 

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Discussion Starter · #7 ·
I guess it's the allocation number? My car was build on May 4th, last three digits are 774.
No these are the sequential serial number, I assume those are computer assigned when orders are accepted but when these numbers go into the production line is a different story
 

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No these are the sequential serial number, I assume those are computer assigned when orders are accepted but when these numbers go into the production line is a different story
Okay, seems right. My car was scheduled for "week ending April 24" so the May
4th date means a delay of 1 to 6 working days...
 

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Discussion Starter · #9 ·
Just as an example.... Found a serial 709 produced on may 8th while your 774 was done on may 4th
The numbers I'm checking are all LHD to keep track of the car I'm interested the most :nerd:
 

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Discussion Starter · #10 ·
Found now a serial 720 made on april 23rd.... Still a LHD!

Next step is to understand the dealer code to see where the cars are going....
 

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Discussion Starter · #11 ·
Okay, seems right. My car was scheduled for "week ending April 24" so the May
4th date means a delay of 1 to 6 working days...
The process of building a car does not take a single day. Check the video, frame has first to be assembled, then painted then all the other thousands of components have to be mounted on.
A 6 days cycle of building the car from bare metal is then a reasonable time
 

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