Hummer H2 2003–2007 — technical service bulletin
Bulletin 030730043 · NHTSA communication 10004325 · issued May 1, 2006
Technical service bulletin
communication type
Power Train
component
2003–2007
model years
10
vehicle entries
Official summary
Information regarding automatic transmission shift lock control function. Various models including 2004 and prior passenger cars and trucks. *tt updating to 2007 and prior passenger cars and trucks. *kb
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.