BMW X3 2011–2017 — technical service bulletin
Bulletin B611814 · NHTSA communication 10147550 · issued Jul 1, 2016
Technical service bulletin
communication type
Electrical System
component
2011–2017
model years
7
vehicle entries
Official summary
Various Electrical Faults Caused by Shorted K-CAN2 This Service Information bulletin supersedes SI B61 18 14 dated July 2014. One or more of the following situations can occur when the K-CAN2 wiring in the vehicles is shorted. There is no communication with any K-CAN2 control modules during an ISTA vehicle test. The following control modules are on the K-CAN2: ZGM - Central Gateway Module FRM - Footwell Module CAS - Car Access System Headunit - Radio/Navigation ComBox/TCB - Telematic Control Module FZD - Roof Function Center Module JBE - Junction Box Electronics The transmission will not engag
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.