Hummer H2 2003–2006 — technical service bulletin
Bulletin 010730036D · NHTSA communication 10000758 · issued Oct 1, 2005
Technical service bulletin
communication type
Power Train
component
2003–2006
model years
7
vehicle entries
Official summary
Diagnostic tips for diagnostic trouble code p0756. 2006 and prior passenger vehicles and light duty trucks. *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.