Driving today and the truck cut off and died. I have a supertuner hooked up and it's programmed for the performance level. When i read the diagnostic code off the reader, it states the code P1688. I looked up this code and it states internal fuel inj pump ctrler failure. Does this mean the injector pump went up?? and if so, what costs am i looking at?

It'a 1999 2500 ctd automatic
I towed the truck home tonight and she sits out front.

 

When My VP died it did just that, it was like someone just turned off the key and I coasted to a stop. No warnings or nothing just