GMC Envoy Xuv 2004 — technical service bulletin
Bulletin 030845005 · NHTSA communication 10005186 · issued Dec 1, 2003
Technical service bulletin
communication type
Electrical System
component
2004
model years
1
vehicle entries
Official summary
Intermittent operation of power roof, rear defogger or onstar. *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.