Went to the dealer to diagnose the faults and clear them on my 2009 Quattroporte S 4.7
First the battery was replaced due to low voltage (P0301)(b1005)and (b-CAN line error,bus-off)(P0A04)” grounds were checked, it did clear the airbag fault.
Also had U1602 line faulty.
Second was U1715 side...
