Service bulletin NTB20-045

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	10177220
Published by NHTSA	2020-07-10
Manufacturer's number	NTB20-045
Manufacturer's date	2020-06-25
NHTSA component	ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue, always confirm that the latest software is installed in the AV control unit before starting the diagnosis. The software update in the following Service Procedure is for stability improvements and “bug” fixes related, but not limited, to: • Audio playing while the ignition is OFF (intermittent) • Android Auto music skipping Perform steps 1 - 4 to confirm if a software update is available. HINT: The update software only needs to be downloaded once and can then be used on multiple Applied Vehicles until other infotainment software is loaded onto the USB drive to overwrite the original data.

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
NISSAN SENTRA	2019

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
NTB19-067b	2019-10-09. Service bulletin. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-067a	2019-10-09. Service bulletin. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-067	2019-10-09. Service bulletin. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue, always confirm that the latest software is installed in the AV unit before starting the diagnosis. The software updates in the following Service Procedure are for the items below: • Stability improvements and bug fixes • System enhancements that will allow future Over-The-Air (OTA) updates. Without these software updates, future OTAs will not be possible. Refer to step 5 on page 5 to confirm that this bulletin applies. HINT: The update software only needs to be downloaded once and can then be used on multiple Applied Vehicles until other infotainment software is loaded onto the USB drive to overwrite the original data.
NTB17-111d	2019-10-08. Service bulletin. NISSANCONNECT OVER THE AIR SOFTWARE UPDATE This bulletin has been superseded by NTB19-067. Please discard previous versions of this bulletin.
NTB17-111c	2018-11-26. Service bulletin. NISSANCONNECT OVER THE AIR SOFTWARE UPDATE This bulletin has been amended. The APPLIED VEHICLES section has been revised. No other changes have been made. Please discard all previous versions of this bulletin.