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Service bulletin ITB01074

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 id628742
Published by NHTSA2002-03-19
Manufacturer's numberITB01074
Manufacturer's date2001-12-18
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

ON SOME VEHICLES, THE TRANSMISSION MANUAL MODE IS INOPERATIVE, INDICATOR LIGHT SHOWS D INSTEAD OF 4, MANUAL MODE OPERATES NORMALLY AFTER IGNITION IS TURNED OFF AND AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE P1815 IS STORED. *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.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Trouble codes named

P1815

Vehicles listed
INFINITI Q452002

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

Other bulletins for the same vehicles and component
020642003-02-19. Service bulletin. REPLACEMENT AUTOMATIC TRANSMISSION REQUESTS NEW STYLE AUTOMATIC TRANSMISSION FLUID FILLER TUBE. *TT
ITB020412002-10-17. Service bulletin. SUBJECT REGARDING REVERSE TO DRIVE ENGAGEMENT DOUBLE THUMP WHEN COLD. *TT
ITB020402002-10-17. Service bulletin. SOME VEHICLES MAY EXHIBIT A DELAYED AUTOMATIC TRANSMISSION 5-2 DOWNSHIFT THAT FEELS LIKE A HESITATION (PERHAPS AT 3/4 TO WIDE OPEN THROTTLE) AND BETWEEN 40 - 60 MPH. *TT
ITB020172002-07-11. Service bulletin. SUBJECT REGRDING TRANSMISSION CONTROL MODULE (TCM) INITIALIZATION AFTER TRANSMISSION REPLACEMENT. *TT
ITB010312002-03-19. Service bulletin. SOME VEHICLES WITH AUTOMATIC TRANSMISSION SHIFTER SELECTOR LEVERS MAY BE DIFFICULT TO SHIFT FROM REVERSE TO DRIVE OR FROM PARK TO REVERSE. *TT
ITB010102001-07-02. Service bulletin. SERVICE BULLETIN AUTOMATIC TRANSMISSION FLUID REQUIREMENTS. *TT