Need help coding Comfort module correctly A4 B9

isostar

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Hi there,

I tried to retrofit a reverse camera into my Audi A4 Avant B9 and at the coding part something went wrong and my DRL & Front Turn Signals stopped working, as well as the PDC system.
I guess that the problem is related to the codification of the Comfort Module. As the only thing i tried to code was: 09-Central Electronics - LongCoding - Byte 35 checked Bit 4, this changed the code from "07501143E11800CD0544511858AF80B9110B310800000000000000000000000000000000000001" to "07501143E11800CD0544511858AF80B9110B310800000000000000000000000000000010000001" i then went back and tried to recode it again wih the previous one and nothing changed.
Could somebody may point me into a direction please.