Originally Posted by *********
Sounds like your TCU is shot....how's the rest of the system acting? Idrive?
If it's acting like normal I bet the Bluetooth has failed within the TCU, but the TCU itself is fine.
Grab a used TCU and have it coded.
Yikes. Can you link me to the proper part at Tischer? Any recommendations on finding a used one?
Everything else is acting perfectly fine, but I do get the occassional "SOS" freeze, that's been happening for a year or more now. Not during this problem though.