Service bulletin T-TT-0564-19

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	10164901
Published by NHTSA	2019-09-16
Manufacturer's number	T-TT-0564-19
Manufacturer's date	2019-08-13
NHTSA component	EQUIPMENT:ELECTRICAL

NHTSA's summary

TT: Some TdPR customers may experience the concierge services being inoperative when attempting to use the multimedia system.

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

Equipment and accessories

Vehicles listed
TOYOTA SUPRA	2020

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
SB23-01	2023-08-03. Service bulletin. Spl Parts, Inc. communications index accompanying MCP uploads 23mc40464 & 23mc40471
SB 23-01	2023-08-02. Service bulletin. SPL Parts, Inc. manufacturers and distributes aftermarket lower control arms for dedicated competition vehicles and "track day" cars some of which may be used on both track and highway. SB 23-01 adresses proper installation torque of cap bolt fasteners attaching SPL's aftermarket lower control arms, recurring inspection and confirmation of torque setting and removal and replacement of damaged or under torqued fasteners to reduce risk of premature failure and accident. SB-23-01 was mailed, emailed and posted on SPL website to known resellers, race teams and users of the affected parts and is being submitted here as required by part 579.5. Vehicle Applications include: BMW series 1,2,3,& 4, 2008-2023; Chevrolet Camaro 26-2023, Cadillac ATS, CTS 2016-2019; Ford Mustang 2015-2023; Toyota Supra 2020-2023.
Toyota PRO19-02	2022-02-14. Service bulletin. POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Toyota.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center in Dealer Daily as well.
T-TT-0578-19 Rev	2021-11-15. Service bulletin. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
Toyota PRO21-UFR	2021-06-21. Service bulletin. UPDATES TO THE 2014-2021 TOYOTA UNIVERSAL FLAT RATE MANUAL
T-PG007-01	2021-06-14. Service bulletin. Replacement vin plates.
T-PG002-91	2021-06-14. Service bulletin. Product general information.
T-TT-0644-21	2021-04-19. Service bulletin. TT: Some 2020-2021 model year Supra vehicles may experience a condition where the rear hatch will not open electrically and/or from the interior manual release handle.
T-TT-0644-21 Rev	2021-04-19. Service bulletin. TT: Some 2020-2021 model year Supra vehicles may experience a condition where the rear hatch will not open electrically and/or from the interior manual release handle.
T-TT-0578-19 Rev	2020-11-23. Service bulletin. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.