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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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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.
ITB17-0262017-08-01. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. INFINITI; FUEL TANK IS SLOW OR DIFFICULT TO FILL IF YOU CONFIRM The fuel tank is slow or difficult to fill (filling nozzle shuts off before tank is full). IMPORTANT: Make sure this incident has been duplicated at a gas station by dealer service staff. ACTION Perform the Service Procedure in this bulletin, starting on the next page.
ITB17-0182017-08-01. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT; SUSPENSION:FRONT:CONTROL ARM:UPPER BALL JOINT. BALL JOINT AXIAL END PLAY PROCEDURE SERVICE INFORMATION When working on the front suspension, use the updated service information in this bulletin along with the Electronic Service Manual (ESM). The updated information in this bulletin is a correction and a supplement to the ESM.
REVISION 3-PC4512017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL. 2G Telematics Hardware Replacement Client Satisfaction Initiative The announcement from January 3, 2017 has been revised to include: - Campaign repair bulletin, ITB17-007 has been developed and is now available on NNAnet, and ASIST. Please discard earlier versions of this bulletin.
REVISION 2-PC4512017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL. 2G Telematics Hardware Replacement Client Satisfaction Initiative The announcement from November 3, 2016 has been revised to include: - 283B0-3JA6A is the part number being used for all vehicles, except Q50 o This part supersedes the previous part (283B0-3JA5A). Retailers may continue to use the previous part until existing stock is exhausted. - 283B0-3JA7A is used for Q50 - These parts are not restricted and can be ordered through normal process Please discard previous versions of this announcement.
ITB16-0372017-02-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "2014-2016 Q50; INCORRECT DIFFERENCE IN HVAC VENT TEMPERATURES IF YOU CONFIRM: THE DRIVER SIDE VENT IS WARMER BY 10°F OR MORE THAN THE PASSENGER SIDE WITH THE HVAC’S DUAL TEMP MODE SELECTED AND THE A/C SET ON BOTH SIDES AT 60°F. - THIS INCIDENT, IF IT SHOULD OCCUR, MAY BE INTERMITTENT. ACTION: USING THE SERVICE PROCEDURE IN THIS BULLETIN, REPLACE THE AIR MIX DOOR MOTOR LH AND THE AIR MIX DOOR LEVER LH WITH THE ONES FROM THE PARTS INFORMATION SECTION OF THIS BULLETIN."
ITB12-011F2017-02-13. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). "TELEMATICS SERVICE INFORMATION VEHICLES EQUIPPED WITH FACTORY NAVIGATION SYSTEM THIS BULLETIN HAS BEEN AMENDED. MODIFICATIONS HAVE BEEN MADE TO INCLUDE QX30. NO OTHER CHANGES HAVE BEEN MADE. PLEASE DISCARD ALL PREVIOUS VERSIONS OF THIS BULLETIN."
ITB160212017-02-07. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. 2014 - 2015 Q50; THEFT ALARM SOUNDS WHEN VEHICLE IS LOCKED, UNLOCKED, OR DOOR/TRUNK OPENED
ITB16-0142016-07-07. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
EL13-023E2016-07-07. Service bulletin. BACK OVER PREVENTION: CAMERA 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-14-0512015-02-20. Service bulletin. VEHICLE SPEED CONTROL; VEHICLE SPEED CONTROL:CRUISE CONTROL. INFINITI: ON SOME VEHICLES, THE FORWARD COLLISION WARNING (FCW) MALFUNCTION HAS BEEN OR IS ON AND FLUID LEVEL FOR BRAKES IS NORMAL AND THE ABS CONTROL UNIT NEEDS PROGRAMMING, PER SERVICE PROCEDURE. MODEL 2013-14 JX35, QX60, 2014-15 Q50. *PE UPDATED 9/10/15. *PE
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-14-0422014-09-29. Service bulletin. EQUIPMENT:ELECTRICAL. INFINITI: INFORMATION REGARDING TWO STAIN GAUGE OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSORS AND OPERATION EXPLANATION OF DIFFERENT RESPONSE TO OCCUPANT SEATING POSTURE. MODEL 2013-2014 JX, QX60, QX50. *PE
ITB-14-0262014-07-22. Service bulletin. SERVICE BRAKES. INFINITI: INFORMATION PERTAINING TO THE BRAKES INTERMITTENT GRAB ON INITIAL APPLICATION AT AMBIENT TEMPERATURES UNDER 40 DEGREES FAHRENHEIT. THE BRAKE HYDRAULIC SYSTEM MUST BE BLED, THE BRAKE CONTROLLER REPROGRAMMED, AND THE DTCS ERASED. *JS
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

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