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Service bulletin 26TC02

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 id11031160
Published by NHTSA2026-04-08
Manufacturer's number26TC02
Manufacturer's date2026-03-30
Campaign id or software version26TC02
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC02 REPROGRAMMING FOR PARKING ASSIST ECU CERTAIN 2022 - 2024 TUNDRA / TUNDRA HYBRID

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

Vehicles listed
TOYOTA TUNDRA2022, 2023
TOYOTA TUNDRA HYBRID2022, 2023 (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
23V1110002023-02-22. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
22V5010002022-07-13. BACK OVER PREVENTION:DISPLAY FUNCTION; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
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
26TC022026-07-08. 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. 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 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.
T-TT-0779-252025-06-06. Service bulletin. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
T-TT-0779-252025-05-15. Service bulletin. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
T-SB-0053-24 Rev12025-04-08. Service bulletin. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 Tundra and Tundra Hybrid vehicles may exhibit a condition where the functionality of the power driver seat cushion length adjustment (CLA) is inoperative. This condition may occur when operating the control switch with the CLA in the closed position.
T-SB-0013-24 Rev12025-04-08. Service bulletin. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
T-SB-0053-24 Rev12025-03-11. Service bulletin. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 Tundra and Tundra Hybrid vehicles may exhibit a condition where the functionality of the power driver seat cushion length adjustment (CLA) is inoperative. This condition may occur when operating the control switch with the CLA in the closed position.