Service bulletin ITB20-022

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	10180979
Published by NHTSA	2020-10-08
Manufacturer's number	ITB20-022
Manufacturer's date	2020-09-02
NHTSA component	STRUCTURE

NHTSA's summary

2016-2017 Q50; RUST ON TRUNK LID ABOVE INNER REAR COMBINATION LAMP IF YOU CONFIRM Client states that corrosion is present on the trunk lid, at or near the rear combination lamps, circled in Figure 1. ACTION 1. Repair the trunk lid as needed. 2. Add the rubber spacers and the washers, listed in the PARTS INFORMATION on page 3, to the rear combination lamps.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame

Vehicles listed
INFINITI Q50	2016, 2017
INFINITI Q50 HYBRID	2016, 2017 (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
ITB09-063C	2026-04-29. Service bulletin. CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement “Certification Label” or “VIN Plate/Label” may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehicle Safety Standards) label. These items may be available from Infiniti by request if certain criteria are met. This bulletin lists the criteria and provides an application form for such replacements. · The “VIN Plate/Label” (metal plate or vinyl label) is attached to the instrument panel or body on the driver side at the base of the windshield (see Figure 1). · The “Certification Label” (vinyl adhesive label) is located on the lower area of the driver side B-Pillar (see Figure 1).
ITB13-007H	2023-03-07. Service bulletin. REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB09-039J	2023-03-07. Service bulletin. WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB18-037	2018-12-03. Service bulletin. PLASTIC INTERIOR TRIM PROTECTIVE COVERING REMOVAL SERVICE INFORMATION Vehicles are delivered with plastic interior trim protective covering on the front and rear seats, front and rear door panel finishers, steering wheel, and sun visors (see examples on page 2). When removing the protective covering, care must be used to avoid scuffs, scrapes, cuts, and other abrasive contact to interior trim components. DO NOT use sharp objects like razor blades, box cutters, knives, etc. when removing the plastic interior trim protective covering. IMPORTANT: All soft trim described in this bulletin is on automatic return to NNA. Any trim found damaged in the way described in this bulletin will be charged back to the dealer.
ITB17-039	2017-08-25. Service bulletin. INTERIOR LAMPS INOPERATIVE IF YOU CONFIRM The interior lamps are inoperative (including map lamps, 2nd row personal lamps, door panel step lamps, and trunk lamps). NOTE: If this issue should occur, the outside door handle lamps will also be inoperative. ACTION 1. Set the parking brake. 2. Pull out the extended storage switch/fuse to the ?inventory/storage? position. 3. Start the engine. 4. Confirm the interior lamps are now working correctly. 5. Push in the extended storage switch/fuse to the ?customer delivery? position. NOTE: If the above steps do not resolve the issue, refer to the Electronic Service Manual (ESM) for further diagnostic and repair information.