Infiniti QX80 2014 — technical service bulletin
Bulletin ITB14032 · NHTSA communication 10192407 · issued Jul 18, 2014
Technical service bulletin
communication type
Power Train
component
2014
model years
1
vehicle entries
Official summary
IF YOU CONFIRM: The Lock-up torque converter disengages causing an unexpected engine rpm increase (about 500 to 600 RPM) while driving at moderate speeds and light acceleration. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the TCM. See this bulletin for further detail.
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.