Hummer H2 2005–2008 — technical service bulletin
Bulletin SB-070604019 · NHTSA communication 10022702 · issued Jun 1, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2005–2008
model years
11
vehicle entries
Official summary
Intermittent mil/ses, dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-2008 gm passenger cars and light duty trucks including saturn. *nj updated 11/19/10. *pe updated 3/30/11. *pe
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.