Ford c max 1.8 tdci

[Cmaxster]

Hi guys I have a 2008 ford c max 1.8 tdci zetec ...so I was traveling at around 70mph on a local motorway and the car died no bang or black smoke just a message on the dash computer saying,, engine malfunction ,, the car now won't start it also will not turn over all I get is a  a click noise when turning the key to attempt the start but no start no turning over nothing just a click ... I have had the cambelt replaced (top) I'm just trying to get some advise to cheap repair myself before goin down the garage route of anyone has experienced this please help 😕 my cars done 103,099 miles