Nissan Altima 2004–2005 — technical service bulletin
Bulletin NTB-05-037A · NHTSA communication 10030089 · issued Jun 11, 2009
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
5
vehicle entries
Official summary
Nissan: the mil is on and code p1402 egr open is stored in the ecm. Inspect the egr valve for metallic debris. *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.