Hummer H2 2003–2005 — technical service bulletin
Bulletin PIT3137C · NHTSA communication 10127184 · issued Sep 8, 2015
Technical service bulletin
communication type
Electrical System
component
2003–2005
model years
3
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about the replacement new version compressor will be a dual stage compressor. Technician should not Service Programming System program the replacement module, the module comes preprogrammed.
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.