Nissan Frontier 2003 — technical service bulletin
Bulletin 03079 · NHTSA communication 10003513 · issued Aug 13, 2003
Technical service bulletin
communication type
Electrical System
component
2003
model years
2
vehicle entries
Official summary
Malfunction indicator lamp (mil) on with diagnostic trouble code (dtc) p1491. *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.