Cruise control and transmission gear ratio

[yugo45]

Can someone explain how to chnage Gear ratio in VW when you chnage transmission to make Cruise control work???

Example I attach one file form EDC 16 and here is the Gear ration for stock 5 speed .
Transmission Code EUH:

Final Drive : 61/18 (3.389)
1st: 34/9 (3.778)
2nd: 33/16 (2.063)
3rd: 31/23 (1.348)
4th: 29/30 (0.967)
5th: 29/39 (0.744)

I think it is line 0x018A670 but I can not figure out how to make calculation if you want to chnage gear ratio let say like this:
Final Drive : 61/18 (3.3444)
1st: 34/9 (3.778)
2nd: 33/16 (2.176)
3rd: 31/23 (1.360)
4th: 29/30 (0.903)
5th: 29/39 (0.686)

Thanks in Advance

[yugo45]

No one ever done this?

[yugo45]

Anyone?????

[icezero2010]

Anyone?????

Gearbx_rVn1H_C

Gearbx_rVn1L_C

and so on for 2,3,4,5

Gearbx_rGearTolc_C and this its before gear ratio
you must change this

[Jarlesb]

Hi Icezero2010 and yugo45,

I need to change the gear ratios on my car since I had to flash the ECU to be able to retrofit adaptive cruise control. Can you assist? My car is Audi A4 B8 8k 2.0 TDI CAGA 143PS with manual gear (JJG), ECU Bosch EDC17 - 03L 906 022 B.

Here are my questions:
1. I have downloaded firmware from Audi, and converted FRF file to ODX. But how do I convert the ODX to binary to change values? Or how do I read the binary from my car?
2. Where do I find the fields for manual gear ratio on my car?

[ddillenger84]

In the petrol ecus it's NVQUOT

[lpf01]

Hey guys! I got my final drive changed on my car, now cruise control stop working. If somebody have the time to help me out in this, just send me a pm please. Not asking for free of course :)


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