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Service bulletins for the 2014 Infiniti Q50

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.

256 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
ITB17-0302017-08-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. 2014-2016 Q50; OCCUPANT CLASSIFICATION SYSTEM RETROFIT SERVICE INFORMATION The information in this bulletin is provided for customers who have concerns with their vehicle's Occupant Classification System (OCS) operation after all campaigns have been completed. Follow the steps in this bulletin to determine if this OCS retrofit procedure is applicable to the vehicle you are working on.
ITB17-0152017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. NAVIGATION SYSTEM REBOOTS WHEN SXM TRAFFIC IS ENABLED IF YOU CONFIRM The Navigation system in an Applied Vehicle reboots when SXM Traffic is enabled. NOTE: Perform the steps in this bulletin ONLY if the above condition occurs while the vehicle is in the state of Oregon. ACTION Update the Navigation system software using the DVD shown on page 2.
ITB16-0142016-07-07. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
ITB15-0352016-06-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
ITB15-0342016-06-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
ITB14-043A2015-04-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. INFINITI: 2014 Q50(V37) : OWNERS ARE OFFERED TO HAVE THE AUDIO SYSTEM SOFTWARE UPGRADED. INFINITI DEALERS ARE PERFORMING THIS UPGRADE AT NO COST. *LJ
ITB-14-0472014-12-13. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A FUSE BOX B+ TERMINAL COVER IS BEING INSTALL ON CERTAIN HYBRID VEHICLES. MODEL 2014 Q50, Q50 HYBRID. *PE
ITB-14-0432014-11-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME VEHICLES, A PRODUCT UPDATE, FOR IN TOUCH AUDIO SYSTEM SOFTWARE, IS BEING OFFERED AND IS DESIGNED TO IMPROVE FUNCTIONALITY OF IN TOUCH SYSTEM. MODEL 2014 Q50. *PE UPDATE 12/12/14. *PE UPDATED 3/31/15. *PE
ITB-14-0072014-02-21. Service bulletin. STEERING:AUTOMATED/ADAPTIVE STEERING; ELECTRICAL SYSTEM:SOFTWARE. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. REPROGRAMMING AND RECALIBRATING THE DIRECT ADAPTIVE STEERING (DAST) ON CERTAIN VEHICLES. MODEL 2014 Q50, Q50 HYBRID. *PE UPDATED 2/24/14. *PE
ITB-14-0082014-02-21. Service bulletin. STEERING:AUTOMATED/ADAPTIVE STEERING; ELECTRICAL SYSTEM:SOFTWARE. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN MODEL VEHICLES WILL HAVE DIRECT ADAPTIVE STEERING SYSTEM (DAST) CONTROL MODULES, REPLACED, REPROGRAMMED AND RECALIBRATED. MODEL 2014 Q50 HYBRID. *PE UPDATED 2/24/14. *PE
ITB-14-0062014-02-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING:AUTOMATED/ADAPTIVE STEERING. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE DIRECT ADAPTIVE STEERING (DAST), IS BEING REPROGRAMMED. MODEL 2014 Q50, Q50 HYBRID. *PE UPDATED 2/24/14. *PE
ITB-14-0092014-02-21. Service bulletin. STEERING:AUTOMATED/ADAPTIVE STEERING; ELECTRICAL SYSTEM:SOFTWARE. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE DIRECT ADAPTIVE STEERING SYSTEM (DAST) CONTROL MODULES, ON CERTAIN VEHICLES, ARE BEING REPLACED, REPROGRAMMED AND RECALIBRATED. MODEL 2014 Q50. *PE UPDATED 2/24/14. *PE
ITB-14-0052014-02-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE INFINITI INTOUCH SYSTEM ALLOWS SOFTWARE UPDATES TO BE INSTALLED TO CURRENT PRODUCTION LEVEL. MODEL 2014 Q50, Q50 HYBRID. *PE UPDATED 3/14/14. *PE
ITB-14-0042014-02-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE CURRENT PRODUCTION LEVEL OF THE INFINITI INTOUCH SYSTEM SOFTWARE IS BEING UPDATED. MODEL 2014 Q50, Q50 HYBRID. *PE UPDATED 3/20/14. *PE
ITB-13-033A2014-01-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INFINITI: SOME VEHICLES MAY EXPERIENCE THE POWER STEERING LIGHT TO BE ON PAIRED WITH DTC C13EB AND C13E9. THE STEERING WHEEL MAY BE OFF-CENTER AND POWER STEERING WILL GO INTO REDUCED POWER ASSIST MODE. THIS IS DUE TO LOW BATTERY VOLTAGE CONDITION. *JS

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.