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Service bulletins for the 2014 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.

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

By type

By component

By trouble code

Bulletins, newest first
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.
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.
ITB140442021-05-10. Service bulletin. SERVICE BRAKES, HYDRAULIC. IF YOU CONFIRM: The rear brakes squeak when braking while the brakes are at normal operating temperature AND the applied vehicle is equipped with single piston rear brake calipers. ACTION: Replace the hardware on both rear brake calipers with the kit listed in PARTS INFORMATION in this bulletin. NOTE: Machining of the rotors is not necessary. Refer to the Electronic Service Manual (ESM), section BR-Brake System, for removal and installation. 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.
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.
ITB140142021-05-10. Service bulletin. POWER TRAIN; STEERING. SERVICE INFORMATION When diagnosing an applied vehicle for possible power steering gear (rack and pinion steering rack, or steering rack) leak issues, in some cases it may appear the steering rack is leaking when actually, it?s not. Use this service bulletin to help make a more accurate diagnosis of the steering rack. - Go to Power Steering Gear Inspection starting on page 2. 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.
ITB140022021-05-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE. SERVICE INFORMATION Replacement Engine Control Modules (ECMs) for many newer Infiniti vehicles are now "Blank" ECMs. Blank ECMs come without software and must be programmed (not reprogrammed) before they will function. See this bulletin for further detail.
ITB130522021-05-10. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. SERVICE INFORMATION Intelligent Key (I-Key) systems on the Applied Vehicles use two (2) different Radio Frequencies (RF) that are similar to other wireless devices; 315 MHz and 433 MHz. In the event another wireless device (e.g. aftermarket alarm system) is transmitting at the same time as an I-Key, it can interfere with the I-Key signals being received by the BCM. If there is interference with I-Key signals, the following symptoms may occur: - The I-Key is not detected, causing: - The engine to not start (no response when the Stop/Start button is pressed) - "I-Key System Error" displayed in the instrument cluster - "No I-Key Detected" displayed in the instrument cluster - Intermittent operation of the buttons on the remote (Key FOB). - Intermittent operation of the door request switches. If a vehicle has experienced the above symptoms, or a customer has reported the above symptoms, refer to Supplemental Diagnosis / Information in this bulletin. 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.
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.
ITB17-015B2021-05-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. NAVIGATION SYSTEM REBOOTS WHEN SXM TRAFFIC IS ENABLED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB17-042D2021-04-13. Service bulletin. ENGINE AND ENGINE COOLING. 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.
ITB17-056B2021-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. INTELLIGENT KEY BATTERY DISCHARGED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB17-005A2021-04-08. Service bulletin. ELECTRICAL SYSTEM. BLUETOOTH, USB, AND AUX FUNCTION DIAGNOSTIC TOOL This bulletin has been amended. See AMENDMENT HISTORY on page 3. Please discard previous versions of this bulletin.
ITB16-006A2021-04-08. Service bulletin. ELECTRICAL SYSTEM. INFINITI; FRONT SONAR PARKING SENSOR SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB12-041D2021-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. SIRIUSXM SATELLITE RADIO / WEATHER / TRAFFIC / TRAVEL LINK ACTIVATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all 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.
ITB11-003F2021-04-08. Service bulletin. ELECTRICAL SYSTEM. NAVIGATION MAP DATA UPDATE MATRIX This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB10-017E2021-04-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. AV CONTROL UNIT REPLACEMENT REQUIRES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB18-042a2021-03-09. Service bulletin. ELECTRICAL SYSTEM. 2013 M AND 2014-2017 Q70; WHISTLE NOISE TRANSMITTED TO CALL RECIPIENT WHEN USING BLUETOOTH® HANDS-FREE PHONE FEATURE 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.