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Hacking (etc) car fobs

Those fobs you get with new cars are hideously expensive, and I'm sure it's 100% profit for those selling them. Can anyone here direct me to a site that sells them at reasonable prices, and some info on programming them for my car? Also, one thing that's astonished me for years is that no one has built a kind of "run-all-frequencies" transmitter, such that some evil person could walk around in a neighborhood or mall parking lot and set them all off! The circuits and info must be available somewhere! (I"m not about to do this myself--too many other fun things on my plate.)

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trebuchet039 years ago
Can anyone here direct me to a site that sells them at reasonable prices, and some info on programming them for my car?

Depends on the make (and maybe model) of car... But try eBay ;) But if it needs programming through the car's computer, you'll still need to go through the dealer. Some systems allow you to program new ones if you already have a working one... The same for rfid keys.

no one has built a kind of "run-all-frequencies" transmitter,

that's not how they work (for the most part).... which is part of the reason why they're so expensive :(
Is it true that you can get (or build) a recorder to record the signal that the "plipper" outputs and then replay it?
Not on modern cars. They transmit codes that randomly change every time you unlock/lock the car. Same with modern garage door openers. It might work with older cars, (and garage doors).
geeklord8 years ago
any idea for a fob that gets me access to my school building? >:)
LinuxH4x0r9 years ago
I know on ford f-150 you can program it yourself with a key. You turn the they to different positions in the switch and then ..... See if you can do it yourself