Hummer H2 2003–2005 — technical service bulletin
Bulletin 839605 · NHTSA communication 10012735 · issued Oct 1, 2004
Technical service bulletin
communication type
Equipment
component
2003–2005
model years
3
vehicle entries
Official summary
Radio telephone/mobile radio (transceiver) installation and troubleshooting guidelines. 1990-2005 passenger cars and trucks. Original not yet received. *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.