the keys have a small "Pill" that is the transponder for the immobilizer
The circuit board is for remote unlock, frunk and trunk release
You can swap components from key to key to make 1 good one form the 2 semi good ones
If you do a search, you should find many threads
Searching before you ask a question is a good idea
1 prevents duplicate threads
2 you may learn stuff
3 prevents duplicate threads
4 your question will be answered
5 prevents duplicate threads
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2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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