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P1320 on the 2001 Nissan Maxima

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P1320
NTB010592002-03-06. Service bulletin. SUBJECT REGARDING MALFUNCTION INDICATOR LAMP 'ON' WITH DIAGNOSTIC TROUBLE CODE P1320 AND/OR SPARK KNOCK (DETONATION) DUE TO IGNITION COIL(S). *JG

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.