Nissan Armada 2009 — technical service bulletin
Bulletin NTB-09-048 · NHTSA communication 10030085 · issued Jun 19, 2009
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009
model years
2
vehicle entries
Official summary
Nissan: affected vehicles has the mil on and dtc p1421 stored (cold start control) in the ecm. *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.