Porsche Cayenne 2003–2006 — technical service bulletin
Bulletin 2820 · NHTSA communication 10022371 · issued Sep 28, 2010
Technical service bulletin
communication type
Electrical System
component
2003–2006
model years
11
vehicle entries
Official summary
Bar ignition modules (coils) with part no. 948.602.104.00 and 948.602.104.01. *kb updated 8/9/11. *pe
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.