Buick Century 2001 — technical service bulletin
Bulletin 010604018A · NHTSA communication 10000056 · issued Sep 1, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001
model years
11
vehicle entries
Official summary
Intermittent malfunction indicator lamp (mil) and power train control module (pcm) diagnostic trouble code (dtc) p1404. *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.