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Service bulletin NTB02017A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id635792
Published by NHTSA2002-10-31
Manufacturer's numberNTB02017A
Manufacturer's date2002-09-06
ReplacesNTB02017
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

ON SOME VEHICLES, THE MALFUNCTION INDICATOR LAMP IS ON WITH DIAGNOSTIC TROUBLE CODE P1491 SET. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Trouble codes named

P1491

Vehicles listed
NISSAN FRONTIER2002
NISSAN XTERRA2002

Listing a model year does not mean every vehicle of it is concerned: the document says which.