error code c1 on iveco 50c13 ?

what does the error code c1 mean on the iveco 50c13,when you put the ignution on the error code flashes on the display and then dissapears.
claud, January 2009


done
Iveco 50c13 put new common rail pump, injectors, electrical pump new filters, and cam sensor, hard start, and when start not rev up more than 2000 rev and then injector light come on red, and then cut out

Johan, July 2012
link Click here to see other fixes for Iveco.