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Post by carafan on Nov 6, 2023 21:54:27 GMT
Good evening, I registered here because I don't know what to do next when activating the cruise control. I installed the buttons and also pulled the additional cable from the steering column control unit to the engine control unit. I activated the cruise control in the engine control unit (byte 5, bit 5 checked). Immediately afterwards the pre-glow lamp starts flashing. I could neither set bit 0 in the steering column control unit nor activate the cruise control. in both cases I get error 31. The correct steering wheel is selected in the gateway. What can't I try or check? Or is activation only possible via a VW dealer with Odis Online? I have received activation documents. I would be happy about any advice.
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Post by carafan on Dec 10, 2023 12:02:24 GMT
Just to give a short feedback. On friday my car was at the VW dealer an they were able to activate the GRA with the activation codes I gave to them. Seems to me that Odis online or another special tool is necessary to activate this function.
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