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Hello,

I have a 1Z TDI engine from an Audi 80, manufactured in 1993, in my T2. In this cable harness, the cables for the GRA function have not yet been integrated.
Does anyone perhaps have the complete PIN code setting for the control unit for this function? On the Audi wiring diagram, there is nothing to look for in this regard.

Control unit No. 0 281 001 185

Hello Andi

...that would also be interesting to me, provided that the GRA function already existed in the old TDI and that it can be activated here from the control unit...?

I'd also be interested in learning more about this .

It's just a switch and a button.

Best regards

There isn't a GRA function. Is not listed in this tax device.