where do i find anti-theft modular to see if it is there

to get it fixed or replaced

OH!!.. I see.... Never had any trouble with it.... It's a lways another problem!!!!.. Been doing this for a very long time! It may not even have the VATS!!!!.. But if that's all the info you have about YOUR trouble.... Good luck with it..

i have no key fob was told i need the serial # off the moduale do not know where to look PS it is my truck