Infiniti Q45 2002 — technical service bulletin
Bulletin ITB01074 · NHTSA communication 628742 · issued Dec 18, 2001
Technical service bulletin
communication type
Power Train
component
2002
model years
1
vehicle entries
Official 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
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.