Philiphenry1 Posted January 10, 2021 Share Posted January 10, 2021 Help neaded, my 2008 passat 2 Ltd s has electrical brake fault, I have seen posts to fix it.. I e... Disconnect battery ext, my car has a remap, would this cause the car to return to factory settings. Urgent help needed. Thanks. Quote Link to comment Share on other sites More sharing options...
Volkswagen Owners Club Posted January 11, 2021 Share Posted January 11, 2021 Can it be diagnosed and rectified through a scan tool I have many functions available on my iCarSoft scanner but imagine VCDS is far more advanced to rectify issues without having to power down the electrical system Quote Link to comment Share on other sites More sharing options...
Philiphenry1 Posted January 11, 2021 Author Share Posted January 11, 2021 Thanks for reply, have spoken to a remaping guy who informes me as long as I don't play with the ECU it will be OK. Quote Link to comment Share on other sites More sharing options...
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