Solved Bluetooth Not Available After Battery Replacement Wifi Working Fine Macbook Pro 13 Retina Display Late 2013

Chosen Solution

I replaced the battery in my late 2013 macbook pro retina following an ifixit guide. Bluetooth no longer works and is listed as “no information” under system report. I tried blowing on the contacts of the card and reattaching the antennae. Why would wifi work and bluetooth not work?

I would first try replacing the I/O board cable. Follow this IFIXIT guide: MacBook Pro 13" Retina Display Late 2013 I/O Board Replacement Here’s the needed part: MacBook Pro 13" Retina (Late 2013-Early 2015) I/O Board Data Cable. Then you have the I/O board next and lastly the AirPort board.