Buick Rainier 2003–2004 — technical service bulletin
Bulletin 01899 · NHTSA communication 10006474 · issued Jan 1, 2004
Technical service bulletin
communication type
Visibility
component
2003–2004
model years
12
vehicle entries
Official summary
Initialization and re-initialization of sunroof mdiv motor. Also including 2003 buick rainier, and 2004 chevrolet trailblazer ext. *mr
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.