Help I'm broke and I need this to work
You could put yourself much deeper in the hole trying to hack up a trucks anti-theft system and end up having to make much more extensive repairs rather than just buying a new set of chipped keys and having the ATM programmed to them.
Call a locksmith. They will have the device to reprogram the system. Tell them what you need while on the phone. Less expensive than dealership.
Lesson learned: When you only have one good key, GET AT LEAST ONE DUPLICATE MADE IMMEDIATELY! It would have cost a lot less.
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