WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

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

Bulletins, newest first
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.
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.
P4248OL2021-05-10. Service bulletin. ELECTRICAL SYSTEM. Infiniti is offering owners of the 2014 Q50 the opportunity to have their vehicle?s InTouch Audio system software upgraded with a production change that has been incorporated in the Q50 manufactured after their vehicle was produced.
P4249OL2021-05-10. Service bulletin. ELECTRICAL SYSTEM. Infiniti is conducting a Voluntary Service Campaign on 2014 Q50 and Q50 Hybrid vehicles to install a Fuse Box B+ Terminal Cover.
P42492021-05-10. Service bulletin. ELECTRICAL SYSTEM. Infiniti is conducting a Voluntary Service Campaign on 2014 Q50 and Q50 Hybrid vehicles to install a Fuse Box B+ Terminal Cover.
P42482021-05-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Infiniti is offering owners of the 2014 Q50 the opportunity to have their vehicle?s InTouch Audio system software upgraded with a production change that has been incorporated in the Q50 manufactured after their vehicle was produced.
ITB140472021-05-10. Service bulletin. ELECTRICAL SYSTEM. INTRODUCTION Infiniti is conducting a Voluntary Service Campaign on 2014 Q50 and Q50 Hybrid vehicles to install a Fuse Box B+ Terminal Cover. This service will be performed at no charge for parts or labor. IDENTIFICATION NUMBER Infiniti has assigned identification number P4249 to this campaign. This number must appear on all communications and documentation of any nature dealing with this campaign.
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.
ITB10029A2021-05-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. SERVICE INFORMATION Related to communication codes U1000, U1001, U1002, U1010: - Always diagnose the communication codes first. - When a module reports a U1000 code, it is typically operating normally; however, there is a communication error external to that module on the CAN network. - U1000 indicates an error. V-CAN diagram or CAN Diag Support Monitor provides data to determine the location of the error. See this bulletin for more information.
ITB140262021-05-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC. IF YOU CONFIRM When initially applying the brakes: * The brakes are too sensitive and may unexpectedly grab with a lower than normal pedal pressure. AND * Only occurs at ambient temperatures below 40°F (4°C). NOTE: This Service Procedure will not change or affect any braking sensitivity above 40°F (4°C). ACTION 1. Bleed the brake hydraulic system. 2. Reprogram the Brake Controller. 3. Erase all DTCs present. Please see this bulletin for further details.
ITB140242021-05-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. SERVICE INFORMATION When registering the Intelligent Keys (I-Keys) to a vehicle for one of the following concerns: * After replacing the BCM. Or * When one of the I-Keys has been lost and needs to be replaced. Or * When additional I-Keys are being added to the vehicle. Always use the following steps to insure proper registration of the I-Keys: 1. First Initialize the BCM. 2. Register all of the vehicle?s ?previously registered? I-Keys to the vehicle first. And then 3. Register any new (additional) I-Keys only after all of the pre-existing I-Keys have been registered. 4. Confirm operations of all I-Keys. Please see this bulletiln for further details.
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.
ITB140192021-05-10. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; ELECTRICAL SYSTEM. IF YOU CONFIRM: While driving, the Vehicle Dynamic Control (VDC) activates when conditions do not call for VDC activation (VDC activation is not needed). ACTION: 1. Check F/B ANGLE 2 in EPS/DAST3. 2. If needed, perform Calibration and Confirmation Procedure. See this bulletin for further detail.
ITB140122021-05-10. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. SERVICE INFORMATION When a BCM is replaced for any reason, TPMS (Tire Pressure Monitor System) configuration must be performed. TPMS configuration is in addition to any other BCM configurations that may be performed. If TPMS configuration is not performed, TPMS transmitter ID registration will not complete. Follow the Service Procedure in this bulletin to perform TPMS configuration. See this bulletin for further detail.
ITB08024C2021-05-10. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. SERVICE INFORMATION Information necessary to service the Supplemental Restraint System (SRS) safely is included in the "RESTRAINTS" section of the Electronic Service Manual (ESM) for each vehicle IMPORTANT: Turn the ignition switch OFF, disconnect both battery terminals, and wait at least 3 minutes before performing any service on the SRS. See this bulletin for further detail.
ITB13040A2021-05-10. Service bulletin. ELECTRICAL SYSTEM. IF YOU CONFIRM: The vehicle information display stays ON with the message "Warning No Key Detected" even though the ignition is OFF, doors are closed, transmission is in Park, and the Intelligent Key is removed from the vehicle. ACTION: Perform A/T POSITION ADJUSTMENT per the Service Manual. - In the TM section of the Service Manual, go to A/T POSITION, and perform the ADJUSTMENT procedure. - Make sure the incident is resolved. 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.
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.
ITB16-021B2021-04-08. Service bulletin. ELECTRICAL SYSTEM. THEFT ALARM SOUNDS WHEN VEHICLE IS LOCKED, UNLOCKED, OR DOOR/TRUNK OPENED 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.