Porsche Cayenne 2003–2004 — technical service bulletin
Bulletin 516 · NHTSA communication 10009770 · issued Sep 24, 2004
Technical service bulletin
communication type
Electrical System
component
2003–2004
model years
5
vehicle entries
Official summary
Check engine warning light is activated in insturment cluster. *tc
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.