Nissan Frontier 2002 — technical service bulletin
Bulletin NTB02017 · NHTSA communication 629483 · issued Feb 8, 2002
Technical service bulletin
communication type
Unknown / Other
component
2002
model years
2
vehicle entries
Official summary
Subject regarding malfunction indicator light on with dtc p1491.*yd
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.