WenmarOpen by Wenmar Pro

Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
ITB23-010E2024-03-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. Please discard previous versions of ITB23-010.
ITB23-010D2024-02-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. HINT: Initially, the Infotainment Software Update Utility will be available only on the CONSULT PC version of ASIST. The Utility will be added to ASIST WEB at a later date. Please discard previous versions of ITB23-010.
ITB12-011Q2024-02-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB23-010C2023-09-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB23-010B2023-09-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB23-0102023-04-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue or after replacement of the AV Control Unit, it is necessary to verify the current software version of the AV Control Unit to determine if a software version update is required. Use the vehicle tables in this bulletin to determine the current software version, if the AV Control Unit requires a software version update, and which procedure to use to update the AV Control Unit. The software updates in this bulletin are to address stability improvements and “bug” fixes. IMPORTANT: If the client is experiencing a software related concern, refer to ITB21-011 to verify if the client concern is a hardware or software related issue. If the concern is a software related issue, review the information in this bulletin to update the AV Control Unit as needed.
ITB19-024C2023-04-04. Service bulletin. EQUIPMENT. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-016A2021-09-08. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. COOLANT RESIDUE AT WATER PUMP This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard 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.
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.
ITB17-055A2021-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. INFINITI; INTELLIGENT KEY IDENTIFICATION AND REGISTRATION TIPS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB18-005B2021-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. Please see AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB12-011P2021-04-08. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-002c2021-03-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 2018-2020 INFINITI; DISPLAY CONTROL UNIT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB18-023a2021-03-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 2018 Q50, Q50 HYBRID, AND Q60; POI DOES NOT DISPLAY AFTER VOICE MENU CALL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB20-023a2021-03-06. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE; EQUIPMENT. LANE CAMERA AIMING VEHICLE REFERENCE VALUES NOT IN ESM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-005a2021-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. CLOCK, AUDIO, HVAC OR NAVIGATION SETTINGS INTERMITTENTLY CHANGE ON THEIR OWN This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-0292021-01-09. Service bulletin. STEERING; EQUIPMENT. 2017-2020 Q50; STEERING FEELS LIGHT OR SENSITIVE IF YOU CONFIRM The client states the steering feels light or sensitive AND There are no EPS DTCs stored. ACTION 1. Confirm the current power steering control module part number. 2. Reprogram the power steering control module, if applicable.
ITB17-042c2020-10-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE; EQUIPMENT. INFINITI; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
ITB20-002a2020-05-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. 2016-2019 Q50 AND 2017-2018 Q60; VR30DDTT ENGINE SERVICE INFORMATION This bulletin has been amended. Please see AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-002b2020-02-08. Service bulletin. EQUIPMENT. 2018-2020 INFINITI; DISPLAY CONTROL UNIT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB12-011o2019-11-07. Service bulletin. EQUIPMENT. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB18-040c2019-10-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB12-011n2019-07-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-0132019-06-24. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; EQUIPMENT:ELECTRICAL. AEB WARNING LIGHT BLINKING This bulletin applies only to vehicles equipped with a lane camera. SERVICE INFORMATION If the AEB warning light is blinking (but not illuminated steadily) or the customer states it is blinking, and there are no related DTCs, inspect the windshield. A blinking AEB warning light may occur under the following conditions: - When contamination or foreign material adhere to the lane camera viewing window on the windshield - When driving while it is snowing or when frost forms on the lane camera viewing window on the windshield - When the lane camera viewing window on the windshield is temporarily fogged up NOTE: - If DTCs are present in any of the following related systems: - Laser/Radar, - ICC/ADAS, or - Lane Camera, Refer to the related Electronic Service Manual (ESM) for diagnosis. - Refer to the following pages for further information.

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