Hummer H2 2003–2005 — technical service bulletin
Bulletin 3405 · NHTSA communication 10013544 · issued Apr 21, 2005
Technical service bulletin
communication type
Visibility
component
2003–2005
model years
3
vehicle entries
Official summary
Windshield wiper pulse function. *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.