23TC06B

Service Bulletin Details

Public Details for: 23TC06B

Rl: due to certain programming in the electronic parking brake ecu, under certain conditions, the parking brake light may flash, a parking brake malfunction message will be displayed, and the electronic parking brake may not release.


- 2023 - 2022 -

Models from 2023
2023 TOYOTA TUNDRA
Models from 2022
2022 TOYOTA TUNDRA 
•• PROTECTED 関係者外秘
INTEROFFICE MEMORANDUM
Original Publication Date: November 16, 2023
To:
All Toyota Region and Private Distributor General Managers / Vice Presidents
From:
Gary Ross
Vice-President, Product Quality and Service Support
SPECIAL SERVICE CAMPAIGN 23TC06 (Interim)
Certain 2022-2023 Model Year Tundra
Electronic Parking Brake ECU Reprogram
Specific information for Region support is provided below.
Condition
Due to certain programming in the Electronic Parking Brake ECU, under certain conditions, the parking brake light
may flash, a parking brake malfunction message will be displayed, and the electronic parking brake may not release.
Remedy
Any authorized Toyota dealer will update the software in the Electronic Parking Brake ECU FREE OF CHARGE.
Dealer Notification
The attached dealer letter will be sent to all Toyota dealers on November 16, 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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