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Service bulletins for the 2018 Infiniti Q70

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.

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

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Bulletins, newest first
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.
ITB18-040d2021-03-09. Service bulletin. 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.
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.
ITB19-013b2021-03-06. Service bulletin. FORWARD COLLISION AVOIDANCE; LANE DEPARTURE: SENSING SYSTEM: OTHER. AEB WARNING LIGHT BLINKING 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.
ITB17-056a2021-02-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. INTELLIGENT KEY BATTERY DISCHARGED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-013a2020-12-08. Service bulletin. FORWARD COLLISION AVOIDANCE; LANE DEPARTURE: SENSING SYSTEM: CAMERA. AEB WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-0232020-10-08. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE. LANE CAMERA AIMING VEHICLE REFERENCE VALUES NOT IN ESM SERVICE INFORMATION If the lane camera requires aiming, the values in Table A on page 4 must be used. • For all other models, consult the Electronic Service Manual (ESM). The following CONSULT-III plus (C-III plus) figures and steps are only provided to indicate where the VEHICLE REFERENCE VALUE from Table A is to be entered. The entire camera aiming procedure must be followed to complete the aiming procedure. • Refer to the Electronic ESM section: CRUISE CONTROL & DRIVER ASSISTANCE > DRIVER ASSISTANCE SYSTEM > DRIVER ASSISTANCE SYSTEM > BASIC INSPECTION > LANE CAMERA UNIT > CAMERA AIMING ADJUSTMENT. 1. Turn the ignition ON. 2. From the C-III plus home screen, select Diagnosis (One System).
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.
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.
ITB18-010b2020-02-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SERVICE INFORMATION FOR DTCS B2EF0 AND B130C This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB13-008a2020-02-07. Service bulletin. SUSPENSION. CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION 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.
ITB19-0192019-09-10. Service bulletin. SEATS. FRONT PASSENGER SEAT VIBRATION AT HIGHWAY SPEEDS WHILE UNOCCUPIED IF YOU CONFIRM The front passenger seat back vibrates at highway speeds while unoccupied. AND There are no other shake or vibration concerns with the vehicle. ACTION Replace the front passenger seat back frame with the new one listed in PARTS INFORMATION on the last page of this bulletin.
ITB19-002a2019-08-19. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. 2018-2019 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.
ITB12-011n2019-07-22. 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.
ITB19-0082019-05-20. Service bulletin. EQUIPMENT. EXTERIOR CLEANING INFORMATION SERVICE INFORMATION When cleaning the exterior of an Infiniti vehicle, damage may occur when using a cleaner with too high of an alkaline concentration. - Always refer to the Appearance and care section of the related owner?s manual. - Not all cleaners are created equal. - Many cleaners come in concentrated form. - Alkaline cleaners (cleaners with a high pH value) can cause spots on paint and trim when not used as directed. - Some commercial car washes use cleaners with a high pH value. - When using cleaners that meet the conditions defined in the Appearance and care section, be sure to carefully follow the cleaner?s directions. - When finished cleaning/washing, rinse thoroughly with clean water. IMPORTANT: Damage to paint, glass, bright metal, or any other exterior surface caused by using improper cleaning products is not covered under warranty. Always refer to the Paint Incident Identification Manual (PIIM) and Assurance Products Reference Manual (APRM). Follow the guidelines in the PIIM and APRM for non-warrantable exterior body, glass, or painted surface quality issues. To access the PIIM and APRM, login to nnanet.com: - For the PIIM, select: MY LINKS > Warranty > Paint Incident Identification Manual - For the APRM, select: MY DOCUMENTS > Warranty > APRM See further information in this bulletin.
ITB18-040b2019-04-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. Please see Amendment History on the last page. Please discard previous versions of this bulletin.
ITB19-0052019-03-25. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. CLOCK, AUDIO, HVAC OR NAVIGATION SETTINGS INTERMITTENTLY CHANGE ON THEIR OWN This bulletin applies only to vehicles equipped with INFINITI InTouch (Intelligent Key). SERVICE INFORMATION An Intelligent Key, for the applied vehicles with INFINITI InTouch?, has the abillity to trigger specific customized settings for the radio, clock, heating and air conditioning (HVAC) and navigation that are unique to that key, and each Intelligent Key for a specific vehicle may have different settings stored. EXAMPLE: The vehicle may be driven by more than one person, and each driver has a personal Intelligent Key. Each driver may adjust their preferred vehicle settings differently. If two or more Intelligent Keys with different stored settings are unintentionally interchanged, one or more of the following perceived issues might be reported by the customer(s). - Radio ? Presets are lost or change - Clock ? Settings are not showing the correct time due to day-light savings or the selected region (time zone) - HVAC ? Controls are set differently - Navigation ? Settings suddenly altered If any of these perceived issues are present: - Confirm if there are multiple Intelligent Keys being used by the customer(s) interchangeably, and if so, verify that each key?s settings are different. NOTE: Customer may not recognize that different Intelligent Keys are linked differently.
ITB18-040a2019-02-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. INFINITI; SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. Please see Amendment History on the last page. Please discard previous versions of this bulletin.
ITB18-0402019-02-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. INFINITI; SOFTWARE UPDATES FOR INFOTAINMENT ISSUES IF YOU CONFIRM Any one or a combination of the following on an applied vehicle: - Reverse camera is blank (vehicles manufactured before May 1, 2018) - Reverse camera remains ON when in Drive (vehicles manufactured before May 1, 2018) - Average fuel economy displays 99.9 MPG - Display screen flickers at higher ambient interior temperatures - SXM Info Apps (Weather, Stocks, Fuel Prices) inoperative ACTION 1. Refer to page 4, step 8 in the SERVICE PROCEDURE to confirm an update applies to the Display Control Unit (DCU) of the vehicle being worked on. - Confirmation is determined by comparing the DCU part number with those listed in Table on page 5. 2. If this bulletin applies, update the DCU software. - See REQUIRED SPECIAL TOOL on page 2. NOTE: The updated software resolves the items above along with improving software stability.
ITB19-0022019-02-19. Service bulletin. EQUIPMENT:ELECTRICAL. 2018-2019 INFINITI VEHICLES; DISPLAY CONTROL UNIT SERVICE INFORMATION SERVICE INFORMATION If the Display Control Unit (DCU) needs to be replaced on an APPLIED VEHICLE for any reason, follow the steps in the Service Procedure to: - Confirm proper diagnosis and repair with TECH LINE to obtain DCU order approval, then place the order with DENSO. NOTE: The DCU order approval process does not apply to 2017 model year and earlier models. TECH LINE authorization is not needed for 2017 model year and earlier models. - Configure the Multi AV system. - 2018-2019 QX30 vehicles only: Register the replacement DCU. DCU registration is necessary whether or not the vehicle has an active Infiniti InTouch Apps subscription. NOTE: The original DCU must be installed in the vehicle while performing part of this procedure. DO NOT remove the original DCU until instructed.

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