GMC Envoy 2002 — technical service bulletin
Bulletin 04048 · NHTSA communication 10013056 · issued Aug 20, 2004
Technical service bulletin
communication type
Suspension
component
2002
model years
2
vehicle entries
Official summary
An electronically controlled air suspension may produce a brief electrical spike while the vehicle is operating. *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.