Infiniti QX56 2011 — technical service bulletin
Bulletin ITB-11-020 · NHTSA communication 10038369 · issued Mar 10, 2011
Technical service bulletin
communication type
Power Train
component
2011
model years
1
vehicle entries
Official summary
Nissan: excessive downshifting when using cruise control. Rough shifting and hesitation/vibration when accelerating. 2011 qx56. *rm
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.