Nissan Armada 2004 — technical service bulletin
Bulletin 04056 · NHTSA communication 10007555 · issued Aug 3, 2004
Technical service bulletin
communication type
Electrical System
component
2004
model years
2
vehicle entries
Official summary
Malfunction indicator light on with diagnostic trouble codes p1278, p1279, p1288 and p1289 a/f sensor. *mr this bulletin replaces ntb04-056 dated 5/15/2004. *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.