Service bulletin T-TT-0748-24 Rev1
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 | 11010058 |
| Published by NHTSA | 2024-11-06 |
| Manufacturer's number | T-TT-0748-24 Rev1 |
| Manufacturer's date | 2024-09-03 |
| Campaign id or software version | T-TT-0748-24 Rev1 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
During repairs such as those listed below, damage may occur if the Torque Converter Assembly is not properly installed. • Hybrid module assembly removal/installation • Transmission removal/installation • Engine removal/installation
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
Transmission and driveline
| TOYOTA TUNDRA | 2022, 2023, 2024 |
|---|---|
| TOYOTA TUNDRA HYBRID | 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| TOYOTA redundant SEQUOIA | 2023 to 2024 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2024109 | 2024-02-21. Powertrain |
|---|---|
| 24V125000 | 2024-02-21. POWER TRAIN:AUTOMATIC TRANSMISSION |
| 2022330 | 2022-06-23. Powertrain |
| 22V445000 | 2022-06-23. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| T-SB-0111-22 | 2026-09-09. Service bulletin. OBSOLETE NOTICE August 24, 2026: This bulletin is now obsolete. Please see T-SB-0032-26 |
|---|---|
| T-SB-0049-26 | 2026-09-09. Service bulletin. Some 2022 – 2025 model year Tundra Hybrid, 2023 – 2025 model year Sequoia Hybrid, 2024 –2025 Land Cruiser and Tacoma Hybrid, and 2025 4Runner Hybrid vehicles may exhibit a whine noise from the transmission when in Ready ON mode. |
| T-SB-0032-26 Rev1 | 2026-09-09. Service bulletin. Some customers of 2022 – 2026 model year Tundra vehicles equipped with specifically non-hybrid V35A-FTS engines may experience one or more of the following drivability related concerns: • Hesitation from a rolling stop. • Hesitation from a quick stop. |
| T-SB-0032-26 | 2026-06-04. Service bulletin. Some customers of 2022 – 2026 model year Tundra vehicles equipped with specifically non-hybridV35A-FTS engines may experience one or more of the following drivability related concerns: • Hesitation from a rolling stop. • Hesitation from a quick stop. The Transmission Control Module (TCM) logic has been modified to address these conditions. |
| T-SB-0095-24 | 2024-11-08. Service bulletin. Some 2023 model year Sequoia Hybrid and 2022 – 2023 Tundra Hybrid vehicles may exhibit an oil leak between the automatic transmission and the hybrid module assembly, and the source of the oil leak is from the hybrid module output shaft seal. The hybrid module assembly has been updated to minimize this condition. |
| T-SB-0086-24 | 2024-11-08. Service bulletin. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra Hybrid vehicles may exhibit a rattle sound from the hybrid module when the engine is at idle in drive or in reverse once fully warmed up. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition. |
| T-SB-0018-24 Rev2 | 2024-07-23. Service bulletin. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The brake actuator logic has been modified to address these conditions. |
| T-SB-0018-24 Rev2 | 2024-07-23. Service bulletin. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The brake actuator logic has been modified to address these conditions. |
| T-SB-0018-24 Rev1 | 2024-07-06. Service bulletin. Some 2022 2024 model year Tundra Hybrid and 2023 2024 model year Sequoia Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop, and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions. REVISION NOTICE April 15, 2024 Rev1: •The Required Tools & Equipment section has been updated. |
| T-SB-0018-24 | 2024-07-06. Service bulletin. Some 2022 – 2024 model year Tundra Hybrid and 2023 – 2024 model year Sequoia Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop, and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions. |