Chevrolet Avalanche 2003 — technical service bulletin
Bulletin 030846003 · NHTSA communication 10012569 · issued Jan 1, 2005
Technical service bulletin
communication type
Equipment
component
2003
model years
7
vehicle entries
Official summary
Driver unable to configure onstar system. *tt update. *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.