Tuesday, September 22, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Porsche Cayenne S 2004technical service bulletin

Bulletin 403 · NHTSA communication 10006300 · issued Jan 23, 2004

Technical service bulletin
communication type
Equipment
component
2004
model years
2
vehicle entries

Official summary

Auxiliary heater cannot be programmed. *tt

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.