BMW X5 2014–2016 — technical service bulletin
Bulletin B611115 · NHTSA communication 10147205 · issued Jul 1, 2015
Technical service bulletin
communication type
Seats
component
2014–2016
model years
5
vehicle entries
Official summary
Rear Seat Heater Inoperative. The front passenger and both rear seat heaters do not work. The following fault codes are stored in the BDC (Body Doman Controller): D90C18 - LIN master I: Short circuit D90C1A - LIN master I: Communication faulty CAUSE One of the rear seat heater modules has an internal fault, which interrupts LIN bus communication.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.