Calibrate speedometer impulse in dump VWT4

[matias]

Hello all,
who can help me please with correct different in speedometr. I have one T4 with dash from Passat B5,5 3B0 920 847 D, wheels on this car are 215/60 R17 and tramsmision is upgraded from sharan 6Q. And now is really speed about 25% higher then in sppedometer.
Can You help me please anybody?
Many thanks
Matias

[drpeter]

Hello all,
who can help me please with correct different in speedometr. I have one T4 with dash from Passat B5,5 3B0 920 847 D, wheels on this car are 215/60 R17 and tramsmision is upgraded from sharan 6Q. And now is really speed about 25% higher then in sppedometer.
Can You help me please anybody?
Many thanks
Matias

Eat a cup of tomato soup, remove the speedometer needle with the spoon afterwards and adjust it. Ready...

[planktom]

Eat a cup of tomato soup, remove the speedometer needle with the spoon afterwards and adjust it. Ready...

and do that just for every speed you wanna do

i think it must be possible just to code the cockpit

[zeljolaki]

Plug VAG.Com and see how it is coded
instrument panel.
The last digit should be 3, and again control the speed.
Good luck!

[matias]

Eat a cup of tomato soup, remove the speedometer needle with the spoon afterwards and adjust it. Ready...

Hi drpeter I haven?t spoon for eat, I have only spoon engine honda and I can?t use this for remove dash from car.
But many thx for very good help.

[Meat-Head]

cool, can you try leeching a passat dump then IN-correct the miles.

[matias]

dash is coded 00103

[Lidahus]

I don't think that you can adapt dash by a standard factor stored in EEPROM. So just changing dash code will not help. You have to measure pulses per km and change the factor in EEPROM accordingly.

[matias]

Lidhaus,
I know when is imposible change measurment per coding. I use all coding for dash, but without lucky.
When I know in which address is speedometer scale I change this value, but I don?t know where is this.
You know this?
Many thanks for help
Matias