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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.

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Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
ITB09063B2021-05-10. Service bulletin. EQUIPMENT:OTHER:LABELS; FORWARD COLLISION AVOIDANCE. SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement "Certification Label" or "VIN Plate / Label" may be needed. These items may be available from Infiniti by request if certain criteria are met. This bulletinlists the criteria and provides an application form for such replacements. See this bulletin for further detail.
ITB13026E2021-05-10. Service bulletin. ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN. 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 of this bulletin. See this bulletin for further detail.
ITB160062021-05-10. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: SONAR/ULTRASONIC; EQUIPMENT. SERVICE INFORMATION When diagnosing the front sonar parking sensor for potentially unwanted activation (e.g. sonar activates with no obstacle ahead), inspect the front license plate, front license plate frame and if equipped, the front license plate bracket. See page 2 for example photos. The front sonar parking sensor may activate if: The front license plate is bent outward from its bracket (there is a gap between the license plate and the bracket) OR the front license plate frame is bent or loose and is hanging outward, away from the license plate and/or bracket (there is a gap between the license plate frame and the license plate and/or bracket) OR the bracket is loose and is hanging outward, away from the bumper (there is a gap between the bracket and the bumper). If any of these conditions are found, correct it by removing the gap (straighten the license plate, straighten and/or secure the license plate frame, or secure the bracket, as it applies). - Retest the operation of the front sonar parking sensor. If the issue is not resolved, go to ASIST and the related Electronic Service Manual (ESM) for further diagnosis. See this bulletin for further detail.
P5325OL2021-05-10. Service bulletin. SUSPENSION; BACK OVER PREVENTION:SOFTWARE. Infiniti is conducting a Voluntary Service Campaign on certain MY 2014-15 Q50 vehicles equipped with Direct Adaptive SteeringTM (DAS) system to update the DAS software to the latest production standards
P53252021-05-10. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Infiniti is conducting a Voluntary Service Campaign on certain MY 2014-15 Q50 vehicles equipped with Direct Adaptive SteeringTM (DAS) system to update the DAS software to the latest production standards
ITB13039A2021-05-10. Service bulletin. BACK OVER PREVENTION; WHEELS; SERVICE BRAKES; LANE DEPARTURE. SERVICE INFORMATION This bulletin has compiled Tire Pressure Monitor System (TPMS) and Low Tire Pressure Warning System (LTPWS) information for: - Basic diagnosing of TPMS/LTPWS systems - Radio frequency interference causing a "No Data" (C1708, C1709, C1710, C1711) condition - Sensor leaks - Moving TPMS/LTPWS wheel assemblies from one vehicle to another and TPMS/LTPWS sensor registration - Air pressure changes with altitude and ambient temperatures - Aftermarket tire sealers - Aftermarket wheels - Inflating/deflating tires with TPMS/LTPWS sensors See this bulletin for further detail.
ITB14051A2021-05-10. Service bulletin. POWER TRAIN; FORWARD COLLISION AVOIDANCE. IF YOU CONFIRM All of the following: The FCW (Forward Collision Warning) malfunction is ON or reported to have been ON, and DTC C1A27 (ECD POWER SUPPLY CIRCUIT) is stored (Past or Current), and the brake fluid level is normal. NOTE: C1A27 is an ICC (Intelligent Cruise Control) DTC. ACTION Reprogram the ABS control unit (ABS) per the Service Procedure in this bulletin. - Part of the Service Procedure, step 20 on page 8, is a confirmation that reprogramming is needed to resolve the incident shown in Figure A and B on page 1. See this bulletin for further detail.
ITB15001A2021-05-10. Service bulletin. STEERING; AIR BAGS; BACK OVER PREVENTION; WHEELS. IF YOU CONFIRM The steering wheel makes a faint squeaking/ticking noise when turned left or right. NOTE: Due to the faint nature of this noise it may be necessary to lift front wheels off of the ground so that it can be isolated. ACTION Remove driver?s side airbag and apply felt tape with the SERVICE PROCEDURE starting on page 2. See this bulletin for further detail.
ITB150252021-05-10. Service bulletin. BACK OVER PREVENTION; EQUIPMENT; WHEELS; SERVICE BRAKES; STEERING. SERVICE INFORMATION When servicing run flat tires or low profile tires: - Special equipment and procedures are required to avoid damage. - Specifically, Tire Pressure Monitor transmitters (TPMS sensors) can be damaged when improperly dismounting and mounting tires. - TPMS sensors becoming damaged during mounting or dismounting tires are not covered under warranty. - To avoid such damage, ensure that the tire changer being used and the operator of the tire changer are capable of servicing run flat and low profile tires. - Operator?s manuals for such tire changers must be followed. See this bulletin for further detail.
ITB150162021-05-10. Service bulletin. LANE DEPARTURE. SERVICE INFORMATION If you confirm there is a need to replace the combination meter front cover (lens) on an Applied Vehicle for any reason (scratch, blemish, etc.): - Do not replace the entire combination meter assemby. The front cover of the combination meter assembly is available as a separate service part. - Refer to the Electronic Service Manual, section MWI-Meter, Warning Lamp & Indicator, for replacement information. See this bulletin for further detail.
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.
ITB13047A2021-05-10. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. SERVICE INFORMATION In an Applied Vehicle, maintenance reminders (when set) are displayed in the following two locations: - Meter (Information Display) - APPS Screen (Maintenance Note App) Maintenance reminders set in the meter settings will display on the Information Display. Maintenance reminders set in the Maintenance Note App will display on the APPS screen. See this bulletin for more detail.
ITB13033A2021-05-10. Service bulletin. LANE DEPARTURE; POWER TRAIN; AIR BAGS; STEERING; WHEELS. SERVICE INFORMATION: At engine start up, if a low 12 volt battery condition (approximately 8 volts) occurs with an Applied Vehicle, the following conditions may happen: * The Power Steering Warning Light is, or may have been ON. * DTC codes C13EB (DAST1, DAST2) and C13E9 (DAST1) may be stored as current or past. * Power steering will go to EPS mode (reduced power assist). Additionally, * The steering wheel may be off-center when starting to drive. Please see this bulletin for futher details.
P3237A2021-05-10. Service bulletin. BACK OVER PREVENTION. Infiniti is conducting a Retailer Service Action to reprogram the IT GEN5 software on certain specific MY14 Q50 vehicles.
P32372021-05-10. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Infiniti is placing certain specific 2014 Q50 vehicles in retailer inventory on a temporary QA Hold.
ITB11-005d2018-05-14. Service bulletin. WHEELS; ELECTRONIC STABILITY CONTROL (ESC). WHEEL BALANCING SERVICE INFORMATION This bulletin has been amended. The publication date has been revised to include the latest models and model years. No other changes have been made. Please discard previous versions of this bulletin.
EL13-023E2016-07-07. Service bulletin. BACK OVER PREVENTION: CAMERA SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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