Experience with immo3 cluster swap, fault System not OK

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golfi_vend

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Hi

I had a task to replace cluster on Passat b5.5, 2.5TDI.
Old cluster 3b0920845A, new used were 3b0920849A.
I read both pins, make login and go to adaptions channel 50, when i hit test it shows me System not OK.
According to this page http://workshop-manuals.com/audi/a2...n_following_replacement_of_dash_panel_insert/ it is because → Engine control unit does not supply data on account of previous use with a control unit (dash panel insert) of a different category (tuning protection). Tried the opposite, from ECU, still same fault.

Although 845a upgrades to 849ax, i guess regular A doesn't work.

So i had to modify the EEPROM manually, bit tricky if the files aren't 1:1 shape. :)
And as usual, no autoscan. :P


...

Above is for future reference for other seekers in the world wide web(say it with optimus prime voice) :cool:
 
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t0rqued

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edit: wrng thread
 
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