Chevrolet Avalanche 2005 — technical service bulletin
Bulletin 040850015 · NHTSA communication 10011079 · issued Sep 1, 2004
Technical service bulletin
communication type
Electrical System
component
2005
model years
6
vehicle entries
Official summary
Driver seat adjuster memory & heater switch will not illuminate. *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.