23TC05A

Service Bulletin Details

Public Details for: 23TC05A

Rl: a software update has been developed for certain 2023 model year bz4x vehicles. It is designed to improve dc-charging performance, and enhance visualization of the remaining range, current state of charge (soc), and real-life energy con


- 2023 -

Models from 2023
2023 TOYOTA BZ4X 
INTEROFFICE MEMORANDUM
Original Publication Date: July 27, 2023
To:
All Toyota Region and Private Distributor General Managers / Vice Presidents
From:
Gary Ross
Vice-President, Product Quality and Service Support
SOFTWARE UPDATE 22TC05
Certain 2023 Model Year bZ4X
EV Charging Performance + Display Software Update
Specific information for Region support is provided below.
Condition
A software update has been developed for certain 2023 model year bZ4X vehicles. It is designed to improve
DC-charging performance, and enhance visualization of the remaining range, current state of charge (SOC),
and real-life energy consumption.
Dealer Notification
The attached dealer letter will be sent to all Toyota dealers on July 27th, 2023.
Please reference the attached Dealer Letter for additional details.
Please review this notification with your staff to assure that all relevant personnel have been briefed regarding
this subject.
Thank you for your cooperation.
© 2023 Toyota Motor Sales, USA

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