BMW X5 2016–2017 — technical service bulletin
Bulletin B650518 · NHTSA communication 10149544 · issued Oct 1, 2018
Technical service bulletin
communication type
Electrical System
component
2016–2017
model years
2
vehicle entries
Official summary
AIR BAG LAMP ILLUMINATED. FAULT CODE 9309A0. The red air bag warning light is illuminated (check-control message: restraint system, CCM-ID: 97) The following fault memory is entered in the ACSM4 (Advanced Crash Safety Module): 9309A0 - Safety battery terminal 3: Resistance too big / Safety cutout of EME: Resistance too great Contact problem with connector A190*1B at the EME (Electrical Machine Electronics). The wires going to pins 7 (CRASH +) and 20 (CRASH-) in connector A190*1B are under tension. Vibrations may sporadically increase the resistance values of these connections outside of the ac
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.