Infiniti QX4 2002–2003 — technical service bulletin
Bulletin 03038B · NHTSA communication 10003456 · issued Jul 25, 2003
Technical service bulletin
communication type
Equipment
component
2002–2003
model years
2
vehicle entries
Official summary
Hvac (blower) fan only works on speed 4. *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.