Service bulletin ITB18-040

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	10153545
Published by NHTSA	2019-02-25
Manufacturer's number	ITB18-040
Manufacturer's date	2018-12-02
NHTSA component	ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT

NHTSA's summary

INFINITI; SOFTWARE UPDATES FOR INFOTAINMENT ISSUES IF YOU CONFIRM Any one or a combination of the following on an applied vehicle: - Reverse camera is blank (vehicles manufactured before May 1, 2018) - Reverse camera remains ON when in Drive (vehicles manufactured before May 1, 2018) - Average fuel economy displays 99.9 MPG - Display screen flickers at higher ambient interior temperatures - SXM Info Apps (Weather, Stocks, Fuel Prices) inoperative ACTION 1. Refer to page 4, step 8 in the SERVICE PROCEDURE to confirm an update applies to the Display Control Unit (DCU) of the vehicle being worked on. - Confirmation is determined by comparing the DCU part number with those listed in Table on page 5. 2. If this bulletin applies, update the DCU software. - See REQUIRED SPECIAL TOOL on page 2. NOTE: The updated software resolves the items above along with improving software stability.

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

Electrical system, Equipment and accessories, Software

Vehicles listed
INFINITI Q50	2016, 2017, 2018
INFINITI Q50 HYBRID	2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
INFINITI Q60	2017, 2018
INFINITI Q70	2018
INFINITI Q70 HYBRID	2018 (the catalog's model; the bulletin names a series or trim of it)
INFINITI QX30	2017, 2018
INFINITI QX60	2017, 2018
INFINITI QX60 HYBRID	2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
INFINITI QX80	2018

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

Recalls for the same vehicles and component
17V476000	2017-07-27. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
ITB19-024B	2022-05-20. Service bulletin. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-005	2020-03-06. Service bulletin. 2016-2019 QX80; MIL ON WITH DTC P0174 IF YOU CONFIRM The MIL is ON and only DTC P0174 (FUEL SYS LEAN B2) is stored in the ECM. ACTION 1. Confirm the current ECM part number. 2. Reprogram the ECM, if applicable.
ITB18-040c	2019-10-08. Service bulletin. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB18-040a	2019-02-25. Service bulletin. INFINITI; SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. Please see Amendment History on the last page. Please discard previous versions of this bulletin.
ITB18-035	2018-12-03. Service bulletin. SECURITY ALARM SOUNDS AFTER USING MECHANICAL KEY TO UNLOCK DRIVER DOOR SERVICE INFORMATION Applied Vehicles listed above are no longer equipped with a door unlock sensor and/or Body Control Module (BCM) software to provide support for the door unlock sensor.
ITB12-011k	2018-05-14. Service bulletin. TELEMATICS SERVICE INFORMATION This bulletin has been amended. Changes have been made throughout. It is necessary to read the revised procedure(s) in entirety to properly perform the action(s). Please discard previous versions of this bulletin.
ITB18-013	2018-05-07. Service bulletin. 2017-2018 QX60; MIL ON WITH DTC P219F This bulletin applies only to vehicles equipped with a direct injection engine. IF YOU CONFIRM The MIL is ON with DTC P219F (AIR-FUEL RATIO IMBALANCE [CYLINDER 4]) stored, And There are no drivability issues. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM.
ITB18-011	2018-05-07. Service bulletin. INFINITI; MICROPHONE DOES NOT WORK IF YOU CONFIRM The microphone of an applied vehicle does not work. - The person receiving your call through Bluetooth® cannot hear you. And Voice Recognition does not respond to any commands. NOTE: DTCs U1A01 and/or U1A02 may be found stored. ACTION 1. Confirm TCU reprogramming will resolve the issue. - Refer to ?Issue Confirmation? on page 2. 2. If confirmed, reprogram the TCU.
ITB12-011j	2018-02-21. Service bulletin. TELEMATICS SERVICE INFORMATION This bulletin has been amended. A correction was made to the Service Procedure on page 15. No other changes were made. Please discard previous versions of this bulletin.
ITB17-058	2018-01-29. Service bulletin. INTRODUCTION Infiniti is conducting this voluntary emission recall campaign on certain specific model year 2016-2018 Q50 and 2017 Q60 vehicles. The Engine Control Module (ECM) will be reprogrammed so that in the event of an automatic transmission diagnostic issue, the diagnosis signals will be communicated properly and a Malfunction Indicator Light (MIL) will be properly illuminated to notify the driver. This service will be performed at no charge to the customer for parts or labor. IDENTIFICATION NUMBER Infiniti has assigned identification number R1726 to this campaign. This number must appear on all communication and documentation of any nature dealing with this campaign. DEALER RESPONSIBILITY It is the dealer?s responsibility to check Service Comm or Dealer Business Systems (DBS) National Service History for the campaign status on each vehicle falling within the range of this voluntary emissions recall which for any reason enters the service department. This includes vehicles purchased from private parties or presented by transient (tourist) owners and vehicles in a dealer?s inventory.