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Service bulletins for the 2015 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.

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

By type

By component

By trouble code

Bulletins, newest first
ITB10062E2021-05-10. Service bulletin. WHEELS. SERVICE INFORMATION For vehicles delivered to the dealers with wheel protector covers - Do not remove the wheel protector covers during Pre-Delivery Inspection (PDI) - Wheel protector covers help prevent cosmetic rotor corrosion. See this bulletin for further detail.
ITB99043G2021-05-10. Service bulletin. EQUIPMENT. SERVICE INFORMATION NOTE - Failure to follow the procedures in this bulletin may result in the denial of a warranty claim. In an effort to protect the paint finish, Paint Guard Film (PGF) is applied on many new Infiniti vehicles. Paint Guard Film is a temporary white plastic protective film that is applied by the factory to the horizontal painted surfaces of the vehicle. The PGF protects the paint finish during vehicle handling, transportation and storage from harmful elements such as acid rain,iron particles, bird droppings, tree sap and other environmental contaminants. NOTE - Paint Guard Film CANNOT remain on the vehicle for more than six months after the vehicle's manufacture date. PGF must be removed at the end of six months. See this bulletin for further detail.
ITB14039B2021-05-10. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. IF YOU CONFIRM A strong sulfur like odor is coming from the Moonroof drain hoses after a hot soak (after sitting with doors and windows closed). - Odor is most noticeable if the Moonroof shade is left closed while the vehicle sits in the direct sunlight and then after a hot soak the Moonroof shade is opened. NOTE - The Moonroof drain hoses MUST be the cause of the strong sulfur like odor for this bulletin to apply. ACTION Replace the Moonroof drain hoses with the Service Procedure starting on the next page AND deodorize with an ozone generator as needed AND THEN replace in-cabin microfilter. See this bulletin for further detail.
ITB150072021-05-10. Service bulletin. VEHICLE SPEED CONTROL; POWER TRAIN. IF YOU CONFIRM A power window auto-up does not work for one or more power windows. ACTION Replace the left front (driver) door finisher with the new one listed in the Parts Information. While replacing the door finisher, also replace the main power window switch. See this bulletin for further detail.
ITB150042021-05-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. IF YOU CONFIRM: The MIL is ON after the engine has been idling a while and one or both of the following DTCs are found stored in the ECM: - P0171 (FUEL SYS-LEAN-B1) - P0174 (FUEL SYS-LEAN-B2) ACTION: 1. Confirm this bulletin applies. - Compare the vehicle?s current ECM part number to those listed in Table A (see page 5). 2. If the ECM part number does not match one listed in Table A, this bulletin does not apply. Go back to ASIST for further diagnostic and repair information. 3. If this bulletin applies, reprogram the ECM. See this bulletin for further detail.
ITB00031D2021-05-10. Service bulletin. AIR BAGS; EQUIPMENT; BACK OVER PREVENTION. SERVICE INFORMATION Changes or modifications to the front seat assembly trim materials may affect the proper operation of the Front Seat-Mounted Side-Impact Supplemental Air Bags and Passenger Occupant Classification Sensor and could result in serious personal injury or death. Infiniti STRONGLY RECOMMENDS AGAINST making any change to seat trim materials from the factory equipped condition. This specifically applies to replacing the seat trim with non-factory materials; adding leather/cloth seat covers, seat pads, or seat storage pouches, etc. around or over the seat back and the passenger seat cushion. See this bulletin for further detail.
ITB13002A2021-05-10. Service bulletin. EQUIPMENT. SERVICE INFORMATION DTC B2190 (NATS ANTENNA AMP) can be stored for the following reasons: 1. Something other than an Intelligent Key is inserted into the Key-Slot. 2. An Intelligent Key issue. 3. A wiring issue between the Key-Slot and the BCM. 4. A Key-Slot issue. If DTC B2190 is stored due to 1 or 2 above, it will not erase, or go to "PAST", until a known good registered Intelligent Key is inserted into the Key-Slot. For DTC B2190 diagnosis; first perform the Service Manual DTC Confirmation Procedure. See this bulletin for further detail.
ITB11003E2021-05-10. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SERVICE INFORMATION Two methods are used to update/upgrade Navigation Map Data: 1. The customer goes to www.infinitinavigation.com and is mailed update disc(s) or SD card and installs data, OR 2. The dealership is mailed update disc(s) and the customer must visit the dealership to have data installed. Use the matrix in this bulletin to determine which method is utilized for each Applied Vehicle. See this bulletin for further detail.
ITB12041C2021-05-10. Service bulletin. SUSPENSION. SERVICE INFORMATION If a customer would like to activate a subscription for any of the following services: - SiriusXM Satellite Radio, NavTraffic, NavWeather or Travel Link OR If a radio is replaced for any reason, and a customer has an active subscription to any of the above services, OR If a customer claims to have an active subscription to any of the above services, AND any portion of the subscribed service is not operating, ... follow the steps in this bulletin to activate/refresh the service.
ITB13047A2021-05-10. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. SERVICE INFORMATION In an Applied Vehicle, maintenance reminders (when set) are displayed in the following two locations: - Meter (Information Display) - APPS Screen (Maintenance Note App) Maintenance reminders set in the meter settings will display on the Information Display. Maintenance reminders set in the Maintenance Note App will display on the APPS screen. See this bulletin for more detail.
ITB14017A2021-05-10. Service bulletin. EQUIPMENT:ELECTRICAL. SERVICE INFORMATION MULTI A/V Configuration using CONSULT-III plus (C-III plus) There are many configurations of the Infiniti InTouch system. Typically, if the MULTI A/V is not configured properly on a navi equipped vehicle, you will see a clock with no hands on the upper display. If in a situation where the MULTI A/V needs to be manually configured. Please see this bulletin for further details.
ITB13057A2021-05-10. Service bulletin. COMMUNICATION: VEHICLE TO INFRASTRUCTURE. SERVICE INFORMATION If one or both Intelligent Keys cannot be located prior to customer delivery of an Applied Vehicle, refer to the applicable section of this bulletin for Intelligent Key registration instructions. - One (1) Intelligent Key Is Lost ----- Page 2 - Two (2) Intelligent Keys Are Lost ----- Page 3 See this bulletin for further detail.
ITB140572021-05-10. Service bulletin. ELECTRICAL SYSTEM. SERVICE INFORMATION After replacement of a CAN Gateway Module, the new module must be configured with the correct part number to complete the repair. Use the part number listed in this bulletin for all trim levels of the Applied Vehicles. See this bulletin for further details.
ITB140562021-05-10. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SERVICE INFORMATION Starting with 2010 Model Year, Infiniti vehicles have been gradually incorporating a new type of DTC known as Permanent DTC or P-DTC. If a vehicle is equipped with P-DTCs, all emission related DTCs will also set a P-DTC if the MIL is turned ON. A listing of which DTCs that will also set a P-DTC is found in the DTC Index in the EC-Engine Control section of the Electronic Service Manual (ESM). If a DTC repair is performed and the DTC erased, a vehicle may fail an Emission Inspection and Maintenance test if the P-DTC is not also erased. See this bulletin for further detail.
ITB140552021-05-10. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. SERVICE INFORMATION If a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair: * Check for stored DTCs. * Check if the driver is resting their left foot on the brake pedal while accelerating. Advise the customer not to rest their foot on the brake while accelerating. * Use CONSULT-III plus in Engine Data Monitor to check operation of the brake lamp circuit signal. Monitor the brake switch during the incident; it should be "OFF". Please see this bulletn for further details.
ITB140382021-05-10. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; EQUIPMENT. SERVICE INFORMATION When replacing a BCM for any reason and the original BCM?s configuration cannot be accessed with CONSULT-III plus (C-III plus), the new BCM must be manually configured. Configuration settings are not "spelled out" in C-III plus. For example, under Intelligent Key Type the designation "0" is used in place of "without I-KEY". Currently, the Electronic Service Manual (ESM) does not have a definition chart. The ESM will be updated with this information. Updated ESMs will be distributed to the field as quickly as possible. Until the updated ESMs are made available, please use the chart on the next page to assist in performing a manual configuration on the applied vehicles listed above. See this bulletin for further detail.
ITB140202021-05-10. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT. SERVICE INFORMATION Warranty claims coding for repairing wiring harnesses for all Infiniti vehicles has changed. This bulletin gives an outline of the retailer technician?s responsibilities in assisting the retailer claims administrator to properly code a harness repair. Failure to provide correct information may result in claims suspension or rejection. See this bulletin for further detail.
ITB17-041A2021-05-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN INFINITI; 2G TELEMATICS HARDWARE DEACTIVATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB16-012C2021-05-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. INTELLIGENT KEY BUTTONS INOPERATIVE BUT REQUEST SWITCHES WORK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB14-059B2021-05-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. INTELLIGENT KEY DOES NOT WORK INTERMITTENTLY This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB13-057B2021-05-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 2013 JX35, 2014-2015 Q50 & QX60; ONE OR BOTH INTELLIGENT KEYS LOST PRIOR TO CUSTOMER DELIVERY This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB13-052C2021-05-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended to update the Applied Vehicles. No other changes were made. Please discard previous versions of this bulletin.
ITB16-008C2021-05-07. Service bulletin. ENGINE AND ENGINE COOLING. MIL ON WITH P0603 STORED FOR ECM BACK UP CIRCUIT This bulletin has been amended. See AMENDMENT HISTORY on page 3. Please discard previous versions of this bulletin.
ITB15-026C2021-04-14. Service bulletin. ELECTRICAL SYSTEM. INFINITI; SIGNAL TECH-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-024A2021-04-13. Service bulletin. ELECTRICAL SYSTEM. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

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