Bosch VP44 PSG control unit diagnostics - OBD2 Diagnostics Wiki
Pumps VP30, VP44/PSG-5
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Testing PSG5 module from VP44 pump - YouTube
Bosch VP44 pad/pin description - Ko-fi ❤️ Where creators get support from fans through donations, memberships, shop sales and more! The original 'Buy Me a Coffee' Page.