Buick Century 2000–2004 — technical service bulletin
Bulletin 02027 · NHTSA communication 10006957 · issued Jan 1, 2004
Technical service bulletin
communication type
Electrical System
component
2000–2004
model years
10
vehicle entries
Official summary
A/c on led inoperative or appears to toggle on and off. Also including 2005 buick century and 2005 buick regal. *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.