Key Fob Programming Without Tech2

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#61

09-18-2022, 08:06 PM

hummerz

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Join Date: Jul 2012

Location: C-Town

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Quote:

Originally Posted by Fury1967

no worries, i know how time consuming remodeling is as we redid our whole house when we bought it.
so i followed the directions and nothing, so im assuming the BCM that controls the fob part isnt working. I pulled the bcm and looked at the board and there was corrosion right around where the RKEA is. I do have the other BCM but im pretty sure it will trigger the passlock and unfortunately this scanner cannot get by that... im debating on if key fobs and tpms is worth the cost to take to a dealer lol

Simply put: you can't get a fob signal without an antenna. Same for a tv, no antenna no signal. The issue is on the BCM board to the antenna. Take a closer look.

#62

09-18-2022, 09:05 PM

Fury1967

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Join Date: Feb 2022

Posts: 47

Quote:

Originally Posted by bronxteck

if it will not learn the key fobs or the TPMS i would think the BCM is not allowing writes to it.

my thoughts also since i know the antenna is good... new bcm is in order i guess

#63

09-18-2022, 09:15 PM

Fury1967

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Join Date: Feb 2022

Posts: 47

Quote:

Originally Posted by hummerz

Simply put: you can't get a fob signal without an antenna. Same for a tv, no antenna no signal. The issue is on the BCM board to the antenna. Take a closer look.

i have no way of testing the board and its been 3 decades since i did any sort of board work and even then it was on old cb radios with diodes lol
i will just have to bite the bullet and take this other to the dealership and have them swap it and flash it

#64

09-19-2022, 05:34 PM

hummerz

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Quote:

Originally Posted by Fury1967

Did you try to clean? CRC® QD® Contact Cleaner

#65

09-19-2022, 07:19 PM

Fury1967

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Join Date: Feb 2022

Posts: 47

Quote:

Originally Posted by hummerz

Did you try to clean? CRC® QD® Contact Cleaner

yes i did because i had read on another thread about it, i cleaned the green corrosion off of the board by the antenna port but it shows signs of it being hot on those diodes and the relay thats there so since i cannot test it im assuming it burnt out those. Its the only logical reason i dont have signal to my keyless or my wheel sensors and the scanner gets no signal from it either