Buick Rainier 2002–2004 — technical service bulletin
Bulletin 3044 · NHTSA communication 10009649 · issued Jan 1, 2004
Technical service bulletin
communication type
Exterior Lighting
component
2002–2004
model years
8
vehicle entries
Official summary
Location of the headlamp driver module (hdm). *tt
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.