Infiniti Q45 2002 — technical service bulletin
Bulletin ITB02040 · NHTSA communication 635066 · issued Jun 17, 2002
Technical service bulletin
communication type
Power Train
component
2002
model years
1
vehicle entries
Official summary
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
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.