Service bulletin T-TT-0648-21 Rev
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10220232 |
| Published by NHTSA | 2022-09-15 |
| Manufacturer's number | T-TT-0648-21 Rev |
| Manufacturer's date | 2022-08-15 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
TT: When testing the battery during PDS with either the DSS-5000 or DCA-8000 battery diagnostic tools, the DCA/DSS battery tester may provide inaccurate results if it is connected to the remote battery posts under the hood.
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
| TOYOTA SUPRA | 2020, 2021, 2022 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 26V056000 | 2026-01-30. ELECTRICAL SYSTEM:STARTER ASSEMBLY |
|---|---|
| 2025515 | 2025-09-26. Electrical |
| 25V636000 | 2025-09-23. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 24TD04 | 2024-09-07. Service bulletin. TECHNICAL INSTRUCTIONS FOR LIMITED-SERVICE CAMPAIGN 24TD04 DATA COMUNICATION MODULE (DCM) UPDATE CERTAIN 2020 - 2023 SUPRA |
|---|---|
| 24TD04 | 2024-09-07. Service campaign. Due to incorrect software in the Data Communication Module (DCM) in your vehicle, the DCM cannot connect to the 4G cellular service. Therefore, after the 3G cellular service was sunset, voice communication with service providers when using connected services like Emergency call and Roadside assistance, is not available. |
| 24TD04 | 2024-09-07. Service campaign. Due to incorrect software in the Data Communication Module (DCM) in your vehicle, the DCM cannot connect to the 4G cellular service. Therefore, after the 3G cellular service was sunset, voice communication with service providers when using connected services like Emergency call and Roadside assistance, is not available. |
| 24TD04 | 2024-08-08. Service bulletin. TECHNICAL INSTRUCTIONS FOR LIMITED-SERVICE CAMPAIGN 24TD04 DATA COMUNICATION MODULE (DCM) UPDATE CERTAIN 2020 - 2023 SUPRA |
| 24TD04 | 2024-08-08. Service campaign. Due to incorrect software in the Data Communication Module (DCM) in your vehicle, the DCM cannot connect to the 4G cellular service. Therefore, after the 3G cellular service was sunset, voice communication with service providers when using connected services like Emergency call and Roadside assistance, is not available. |
| 24TD04 | 2024-08-08. Service campaign. Due to incorrect software in the Data Communication Module (DCM) in your vehicle, the DCM cannot connect to the 4G cellular service. Therefore, after the 3G cellular service was sunset, voice communication with service providers when using connected services like Emergency call and Roadside assistance, is not available. |
| T-TT-0754-24 | 2024-07-06. Service bulletin. Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers. |
| T-SB-0002-20 Rev1 | 2024-07-06. Service bulletin. Some 2020 – 2024 model year Supra vehicles equipped with navigation require a new process for updating map data. This procedure is unique to Supra and is available to customers at any time during their map update service period. Updated map data is released periodically, and there is no activation key/code required to update the vehicle map during the valid map update period. REVISION NOTICE April 09, 2024 Rev1: •Applicability has been updated to include 2021 – 2024 model year Supra vehicles. |
| T-TT-0754-24 | 2024-07-06. Service bulletin. Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers. |
| T-SB-0002-20 Rev1 | 2024-07-06. Service bulletin. Some 2020 – 2024 model year Supra vehicles equipped with navigation require a new process for updating map data. This procedure is unique to Supra and is available to customers at any time during their map update service period. Updated map data is released periodically, and there is no activation key/code required to update the vehicle map during the valid map update period. REVISION NOTICE April 09, 2024 Rev1: •Applicability has been updated to include 2021 – 2024 model year Supra vehicles. |