Originally Posted by
akafred
i got the stock file off one of the efilive tuners because it was difficult to find a lq4 + nv4500 manual file online. when i got it i noticed it wasn't a factory flash as a lot of the Engine DTC Processing Enablers were turned off that would be on in a factory dump
i guess i could use a lq4 + 4l80e stock file and try to change it over to nv4500
the engine is from a van/ the harness is home built, i added in the tac wiring as i wanted to be able to have cruise, the trans is from a 2500 manual truck.
may be best to find the latest os that supports my tac.