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Service bulletin ITB21-026

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)
TypeService bulletin
NHTSA id10206345
Published by NHTSA2022-01-08
Manufacturer's numberITB21-026
Manufacturer's date2021-12-03
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SOFTWARE UPDATE FOR CLOCK INCORRECT IF YOU CONFIRM One or more of the following occurs: • The clock resets to 1:00. • The clock changes 4-6 hours ahead of actual time. • Set Clock Manually icon is grayed out. ACTION 1. Confirm that the Infotainment software version is not 4710. See Check Software Version on page 3. 2. If the Infotainment software version is not 4710, perform Update AV Control Unit starting on page 5. 3. Manually set the clock time and date to complete the infotainment update.

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, Software

Vehicles listed
INFINITI Q502020, 2021, 2022
INFINITI Q602020, 2021, 2022
INFINITI QX502020, 2021, 2022
INFINITI QX552022

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
ITB19-024B2022-05-20. 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.
REV 4 - PC839 202022-05-20. Service bulletin. REMINDER: Wireless Apple CarPlay® Update Voluntary Service Campaign UPDATE March 17, 2022 Please discard earlier versions of this bulletin. The announcement from February 24, 2021 has been updated to highlight the following important information: • REMINDER: This client service initiative as a free infotainment software update (PC839) will expire in two weeks March 31, 2022. • Beginning April 1, 2022 the software update will be available as a client payable software service upgrade should a client request the wireless Apple CarPlay® update. • INFINITI continues to make progress to improve the software with Wireless Apple CarPlay. More information will be provided as soon as possible.
ITB19-042C2022-05-20. Service bulletin. AV CONTROL UNIT REPLACEMENT PROCESS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-030B2022-05-20. Service bulletin. AV CONTROL UNIT INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.