Technical Service Bulletin B611814 — 2012 BMW X3

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 engage a gear when with the engine running. The vehicle sporadically does not start. In rare cases, the vehicle may stop running while driving. When the K-CAN2 is shorted, the vehicle will store many line and communication faults for the KCAN2, including the following: JBE - C9140D No message, receiver JBE, transmitter CAS JBE - C90468 K-CAN2; Communication fault ZGM - CD0468 K-CAN2: Communication fault ZGM - CD1400 Message incorrect, receiver ZGM, transmitter JBE CAS -D9045F K-CAN2: Line fault CAS - D90468 K-CAN2: Communication fault FZD - DE8468 K-CAN2: Communication fault TCB - E14468 K-CAN2: Communication fault TCB - E1445F K-CAN2: Line fault NBT - E1C468 K-CAN2: Communication fault FRM - E5845F K-CAN2: Line fault FRM - E58468 K-CAN2: Communication fault The wiring harness gets pinched between the instrument panel and the locating tab on the passenger side of the instrument panel. Connector X18*2b not fully connected (located above rear distribution box in trunk) K-CAN2 High - GE/RT (Yellow/Red) K-CAN2 Low - GE/BR (Yellow/Brown).