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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Century 2004–2005technical service bulletin

Bulletin 3120 · NHTSA communication 10010109 · issued Jan 1, 2004

Technical service bulletin
communication type
Equipment
component
2004–2005
model years
43
vehicle entries

Official summary

Onstar center unable to perform remote diagnostic. (2004-2005 chevrolet yukon, 2005 chevrolet trailblazer, 2002, 2003, 2005 buick rainier, 2005 chevrolet express van, and 2005 cadillac seville) *sc

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.