Cadillac Deville 2004 — technical service bulletin
Bulletin 01405 · NHTSA communication 10004209 · issued Nov 18, 2003
Technical service bulletin
communication type
Electrical System
component
2004
model years
2
vehicle entries
Official summary
4.6l engine with diagnostic trouble code (dtc) p0326. *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.