Saturn Vue 2002–2003 — technical service bulletin
Bulletin 040604074 · NHTSA communication 10010509 · issued Oct 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002–2003
model years
2
vehicle entries
Official summary
Service engine soon (ses) and/or reduced power lamp illuminated, limited throttle response following cold engine start up, diagnostic trouble code (dtc) p0638. *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.