well this has happened many times before with me in the last few weeks.. when tryin to write a tune on to the truck or just to go back to original, it doesnt go through.. says "tune did not write, disconnect and then reconnect battery and try again. well one time it took me 3 times then it finally ...

Ive got the same exact problem but after the SEVENTH time trying (each other time it just said "did not work, disconnect and reconnect battery and try again") it worked so i am NOT going to bother wasting my time with this crap tune anymore... im lucky it didnt wreck anything cuz just like mike just ...