Chevrolet Trailblazer 2006–2008 — technical service bulletin
Bulletin 07-08-54-001 · NHTSA communication 10024421 · issued Mar 1, 2008
Technical service bulletin
communication type
Electrical System
component
2006–2008
model years
9
vehicle entries
Official summary
Ei07279 - horn inoperative from steering wheel horn pad. *nj updated 5/19/08. *nj
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.