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Service bulletins for the 2014 Infiniti QX50

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.

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

By type

By component

By trouble code

Bulletins, newest first
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.
ITB13056A2021-05-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). IF YOU CONFIRM: The MIL is ON and one or both of the following DTCs are found stored in the ECM: - P0139 (heated oxygen sensor 2 (B1) circuit slow response) - P0159 (heated oxygen sensor 2 (B2) circuit slow response) ACTION: 1. Confirm this bulletin applies. - Compare the vehicle's current ECM part number to those listed in Table A (see page 4). 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.
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.
ITB07047D2021-05-10. Service bulletin. STRUCTURE. SERVICE INFORMATION Scratch Shield is a scratch-resistant clear coat which "heals" by itself when the vehicle gets a small scratch in the clear coat. If the scratch reaches the color base coat, however, it will not "heal". Scratch Shield was implemented for the first time in the U.S. with the 2008 EX35. NOTE: Scratch Shield is applied to body panels and fasicas only. Scratch Shield Label Vehicles equipped with Scratch Shield have a label (see Figure 1) which is typically located underneath the hood. Vehicles that DO NOT have the Scratch Shield label shown in Figure 1 are not equipped with Scratch Shield. See this bulletin for further detail.
ITB92069D2021-05-10. Service bulletin. EQUIPMENT; WHEELS. Infiniti Original Equipment or Genuine Accessory Alloy wheels, along with their finish coating (clear, chrome, titanium, etc.), are specifically developed to achieve Infiniti design and performance standards. These Original Equipment or Genuine Accessory wheels are subjected to testing to ensure they meet Infiniti's standards. Infiniti Original Equipment Alloy or Genuine Accessory wheels subjected to aftermarket chroming may no longer continue to meet these standards and may be seriously damaged. Therefore, Infiniti most strongly discourages, and recommends that these wheels NEVER be subjected to, aftermarket chroming. See this bulletin for further details.
ITB00024F2021-05-10. Service bulletin. STEERING; SUSPENSION; SERVICE BRAKES. SERVICE INFORMATION - This bulletin is to assist you in responding to customer questions about brake operation, and provides diagnostic and repair information for each item listed, if any should occur. - Most brake issues fall into the following categories: a. Brake Noise: A squeak, squeal, clunk, or groan that occurs when the brakes are applied or released. b. Brake Judder: A vibration that can be felt in the vehicle, steering wheel, or brake pedal when the brakes are applied. c. Pedal Feel: The effort needed to operate the brakes is too high or too low. SERVICE PROCEDURE 1. Verify the condition by road testing the vehicle with the customer. 2. Determine the specific brake issue based on the description in the Service Information above. 3. Follow the appropriate repair procedure(s), listed on the following pages, for your specific issue. See this bulletin for further details.
ITB04038A2021-05-10. Service bulletin. SERVICE BRAKES; STEERING; WHEELS. If YOU CONFIRM: A vehicle needs to have the brake rotors resurfaced (front or rear). ACTION: Use the ProCut PFM Series on-car brake lathe to perform brake rotor resurfacing and follow the tips listed in this bulletin. - The ProCut PFM Series brake lathe has been chosen as the approved tool for rotor resurfacing. - The ProCut PFM Series brake lathe can be ordered from TECH-MATE at 1-800-662-2001. - ProCut technical support or service can be obtained by calling 1-800-543-6618. NOTE: Brake rotors may need to be resurfaced during routine brake repair or for brake "judder" incidents. - Brake judder: A brake pedal pulsation and/or steering wheel shimmy when braking that occurs when there is too much thickness variation of the brake rotors (see ITB00-024). See this bulletin for further detail.
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.
ITB17-005A2021-04-08. 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.
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.
ITB15-024a2021-01-09. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). 2005-2015 INFINITI VEHICLES; ECM REPROGRAMMING SERVICE INFORMATION This bulletin is no longer active. Please discard previous versions of ITB15-024.
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.
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.
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.
ITB17-042b2019-02-19. 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.
ITB13-044g2019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. ALL MODEL YEAR 2012 AND NEWER INFINITI VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
Revision 1-IEVAP2019-01-07. Service bulletin. ENGINE; EQUIPMENT. OBD II EVAP Tube Warranty Enhancement The update below was sent out to Regions and Retailers in August of this year. We are re-circulating this update to make regional and retailer personnel aware that we are re-notifying clients at this time.
ITB17-026b2019-01-07. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, GASOLINE. INFINITI; FUEL TANK IS EXTREMELY DIFFICULT TO FILL The update below was sent out to Regions and Retailers in August of this year. We are re-circulating this update to make regional and retailer personnel aware that we are re-notifying clients at this time.

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