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Service bulletin T-TT-0748-24

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)
TypeService bulletin
NHTSA id10253233
Published by NHTSA2024-04-15
Manufacturer's numberT-TT-0748-24
Manufacturer's date2024-03-12
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

TT: 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

Electrical system, Transmission and driveline

Vehicles listed
TOYOTA TUNDRA2022, 2023, 2024
TOYOTA TUNDRA HYBRID2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20241092024-02-21. Powertrain
24V1250002024-02-21. POWER TRAIN:AUTOMATIC TRANSMISSION
23V1110002023-02-22. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
22V5010002022-07-13. BACK OVER PREVENTION:DISPLAY FUNCTION; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
20223302022-06-23. Powertrain
22V4450002022-06-23. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
22V2850002022-04-28. BACK OVER PREVENTION:DISPLAY FUNCTION; ELECTRICAL SYSTEM:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
T-SB-0111-222026-09-09. Service bulletin. OBSOLETE NOTICE August 24, 2026: This bulletin is now obsolete. Please see T-SB-0032-26
T-SB-0049-262026-09-09. 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 Rev12026-09-09. 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.
26TC022026-07-08. Service bulletin. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC02 REPROGRAMMING FOR PARKING ASSIST ECU CERTAIN 2022 - 2024 TUNDRA / TUNDRA HYBRID
T-SB-0032-262026-06-04. 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.
26TC022026-04-08. Service campaign. SPECIAL SERVICE CAMPAIGN 26TC02 Certain 2023-2024 Model Year Sequoia HV Certain 2022 – 2023 Model Year Tundra & Tundra HV Trailer Back Up Guide Feature Inoperative Frequently Asked Questions
26TC022026-04-08. Service bulletin. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC02 REPROGRAMMING FOR PARKING ASSIST ECU CERTAIN 2022 - 2024 TUNDRA / TUNDRA HYBRID
26TC022026-04-08. Service campaign. After calibrating a trailer and using the Trailer Backup Guide feature, subsequent use of this feature may result in a “Trailer not detected” message or a blank multimedia display that prevents the display of features such as the backup camera. The multimedia system returns to normal if the vehicle is turned off and on again with no trailer attached.
T-SB-0083-252025-12-05. Service bulletin. A new head unit software update is available for 2022 – 2025 model year Tundra, and Tundra Hybrid; 2023 – 2025 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, Mirai, and Sequoia Hybrid vehicles equipped with Toyota Multimedia versions earlier than version 2230.
T-SB-0058-23 Rev12025-07-10. Service campaign. The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.