I have a VAS tool which i can use to perform the update and £3 seems to be a reasonable investment. How do i get the PR strings updated by Audi if i carry out the update myself?
what is the worst case scenario if the 5150 update kills the phone preparation?
I have also installed a towbar which was coded by the towbar fitting centre using guided VAS and this has not been recorded by the VAG server so i am concerned any updates may affect the coding of the trailer ECU as well
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