Cadillac Deville 1996–1999 — technical service bulletin
Bulletin 3003 · NHTSA communication 10008881 · issued Jan 1, 2004
Technical service bulletin
communication type
Electrical System
component
1996–1999
model years
12
vehicle entries
Official summary
Diagnostic trouble code (dtc) p0442 small leak detected, inspect at fuel filler neck. *mj
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.