BMW X5 2019–2020 — technical service bulletin
Bulletin B630320 · NHTSA communication 10174026 · issued Apr 1, 2020
Technical service bulletin
communication type
Air Bags
component
2019–2020
model years
5
vehicle entries
Official summary
Headlight Malfunction Check Control Message: Intermittently a check control message may be present stating "Adaptive headlight failure" (CC message 127) or "Headlight range control failure" (CC message 100). In conjunction one of the following faults codes MUST be stored for this bulletin to apply: 805A0D control unit: Headlight range control stepper motor driver failure (left frontal light module) 805A0E control unit: Adaptive Headlights stepper motor driver failure (left frontal light module) 805B8D control unit: Headlight range control stepper motor driver failure (left frontal light module
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.