BMW X1 2016–2017 — technical service bulletin
Bulletin B120317 · NHTSA communication 10146571 · issued Mar 1, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2017
model years
4
vehicle entries
Official summary
?MIL IS ON WITH FAULT CF0486 STORED IN THE EGS MODULE . The Service Engine Soon (MIL) light is on. The following fault is stored in the AISIN EGS module: CF0486: EGS,PT-CAN2: Line fault/electrical fault It is possible the following Check Control messages could be displayed: Engine fault! Power loss (CCM ID 29) Drive faulty! (CCM ID 419) - The transmission is in the emergency program and the engine is running with reduced power. This fault occurs sporadically when the ignition is turned on or the engine started. Unfavorable DME software Only vehicles at the following I-levels are affected: F056
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.