Service bulletin ITB16021

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10090705
Published by NHTSA	2017-02-07
Manufacturer's number	ITB16021
Manufacturer's date	2016-06-27
NHTSA component	EQUIPMENT; STRUCTURE:BODY:DOOR

NHTSA's summary

2014 - 2015 Q50; THEFT ALARM SOUNDS WHEN VEHICLE IS LOCKED, UNLOCKED, OR DOOR/TRUNK OPENED

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Body and frame, Equipment and accessories

Vehicles listed
INFINITI Q50	2014, 2015
INFINITI Q50 HYBRID	2014, 2015 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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ITB11021B	2021-05-10. Service bulletin. SERVICE INFORMATION Temporary tire Flat Spotting is common on New Dealer In-Stock vehicles that have not been occasionally moved. Flat Spotting can occur after the vehicle has been parked (not moved) for a few days, or longer. In most cases it is temporary. In extreme cases it can be permanent. Vehicles should be moved every 30 days, in one direction only, enough to rotate the tires 90° (see Figure 1). Moving vehicles as shown in this bulletin will prevent tire Flat Spotting. See this bulletin for further detail.
ITB09041A	2021-05-10. Service bulletin. IF YOU CONFIRM A refrigerant leak at a refrigerant pipe/hose joint location, ACTIONS 1. Inspect the metal surfaces of the pipe/hose joint for damage or contamination. NOTE: Do not replace a refrigerant pipe, hose, or other A/C component if an o-ring seal will solve the leak incident, if it should occur. 2. If no damage is found to the joint metal surfaces, replace the O-ring seal. See this bulletin for further detail.
ITB09063B	2021-05-10. Service bulletin. 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.
ITB15021A	2021-05-10. Service bulletin. SERVICE INFORMATION If the clip for the fuel filler cap tether becomes lost or is detached for any reason, it is no longer necessary to replace the fuel filler cap. The clip or "pin" is now available as a separate service part. NOTE - Do not replace the fuel filler cap if only the pin is needed. See this bulletin for further detail.
ITB16006	2021-05-10. Service bulletin. 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.