Service bulletins for the 2014 Infiniti QX80
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
155 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Torque converter are shown. Show all
| ITB14032 | 2021-05-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.