programmer will not work

[l-train378]

i have the diablosport u7193 programmer and i went to install the 87 octane tune on my 04 chevy silverado and it had an error that tunes werent avaliable for the vehicle........and its a 5 speed and i was woundering if that had somptin to do with it.....please help me

[Mike_Levy]

What motor? That Predator only works with the 4.8, 5.3, 6.0 and 8.1L V8s. Have you ever installed a tune on the truck or did you just get the Predator?

Did you follow the manual? http://www.diablosport.com/downloads/pr ... _U7193.pdf