This bulletin applies to 2003-2006 VW Beetle, Jetta A4 and A5 vehicles with a transmission fault DTC. If DTC 01045 “F189 implausible signal” is stored in the transmission control module, it can be caused by a missing or loose round magnet inside of the shifter cover.

Remove the shifter cover and inspect the round magnet to ensure that is it pushed in until it clicks.