Originally Posted by
go@midnavi.com
I opened it up and confirmed the part is HomeLink PSI A1938200105. As you pointed out, it looks like these can be found used for around $40. Thanks!

IF your talking about the TPMS unit over the top of the windshield, you need a different part number then the 'Homelink' transmitter. That part number you posted is for the homelink transmitter. The TPMS receiver is lower down in that dome light hole. Check again, for the correct part!
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