Fiat 500 Non start fault fixed P0520 P0621

Investigating & Fixing a non start fault on a 2011 Fiat 500 petrol. Not cranking and unable to bump start. Fault codes P0520 Oil pressure fault & P0621 Generator terminal terminal. Gearbox earth strap broken. Fault fixed by replacing gearbox to chassis earth strap.

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Tools used :
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