> The aftermarket suppliers are locked out of the market because they don't have the private keys to handshake on the bus. That is a potential problem, especia

> The aftermarket suppliers are locked out of the market because they don't have the private keys to handshake on the bus. That is a potential problem, especially for "hacker" type suppliers (offering performance components for example). That said, the manufacturer I work with sells their diagnostic tool to the aftermarket, so at least aftermarket garages can get access for repairs.