# Service bulletin T\-SB\-0011\-25 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: 11014190 - Published by NHTSA: 2025\-02\-12 - Manufacturer's number: T\-SB\-0011\-25 - Manufacturer's date: 2025\-01\-23 - Campaign id or software version: T\-SB\-0011\-25 - NHTSA component: ELECTRICAL SYSTEM ## NHTSA's summary When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS\+ Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU Security Key. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014190-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014190-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system ## Vehicles listed - 2025 TOYOTA 4RUNNER - 2025 TOYOTA 4RUNNER I\-FORCE MAX HYBRID - 2023 to 2025 TOYOTA BZ4X - 2025 TOYOTA CAMRY HYBRID - 2023 to 2025 TOYOTA COROLLA - 2022 to 2025 TOYOTA COROLLA CROSS - 2023 to 2025 TOYOTA COROLLA CROSS HYBRID - 2023 to 2025 TOYOTA COROLLA HYBRID - 2023 to 2025 TOYOTA CROWN - 2025 TOYOTA CROWN SIGNIA - 2023 to 2025 TOYOTA GR COROLLA - 2024 to 2025 TOYOTA GRAND HIGHLANDER - 2024 to 2025 TOYOTA GRAND HIGHLANDER HYBRID - 2024 to 2025 TOYOTA HIGHLANDER - 2024 to 2025 TOYOTA HIGHLANDER HYBRID - 2025 TOYOTA LAND CRUISER HYBRID - 2021 to 2025 TOYOTA MIRAI - 2023 to 2025 TOYOTA PRIUS - 2025 TOYOTA PRIUS PLUG\-IN HYBRID - 2023 to 2024 TOYOTA PRIUS PRIME - 2025 TOYOTA RAV4 PLUG\-IN HYBRID - 2021 to 2024 TOYOTA RAV4 PRIME - 2023 to 2025 TOYOTA SEQUOIA HYBRID - 2021 to 2025 TOYOTA SIENNA HYBRID - 2024 to 2025 TOYOTA TACOMA - 2024 to 2025 TOYOTA TACOMA HYBRID - 2021 to 2025 TOYOTA TUNDRA - 2022 to 2025 TOYOTA TUNDRA HYBRID - 2021 to 2024 TOYOTA VENZA HYBRID - 2025 TOYOTA VENZA HYBRID - 2023 to 2025 TOYOTA YARIS - 2022 to 2025 TOYOTA redundant 86 - 2024 TOYOTA redundant LAND CRUISER ## Recalls for the same vehicles and component - [26V511000](/recalls/nhtsa/26V511000.md), 2026-08-06: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:SWITCH; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE; SEAT BELTS:FRONT:WARNING LIGHT/DEVICES - [26V341000](/recalls/nhtsa/26V341000.md), 2026-05-27: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL - [26V049000](/recalls/nhtsa/26V049000.md), 2026-01-28: ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS; LATCHES/LOCKS/LINKAGES:DOORS:LATCH - [25V595000](/recalls/nhtsa/25V595000.md), 2025-09-11: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL - [2024228](/recalls/tc/2024228.md), 2024-04-17: Electrical - [24V274000](/recalls/nhtsa/24V274000.md), 2024-04-17: LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS - [23V864000](/recalls/nhtsa/23V864000.md), 2023-12-20: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS:FRONTAL - [2023382](/recalls/tc/2023382.md), 2023-07-12: Electrical - [23V478000](/recalls/nhtsa/23V478000.md), 2023-07-12: ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER - [23V384000](/recalls/nhtsa/23V384000.md), 2023-05-30: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS:FRONTAL ## Other bulletins for the same vehicles and component - [26TC01](/bulletins/11038372.md), 2026-10-08, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC01 POWER DISTRIBUTION BOX CERTAIN 2024 – 2025 MODEL YEAR PRIUS 2024 MODEL YEAR PRIUS PHV - [26TC01](/bulletins/11038371.md), 2026-10-08, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC01 POWER DISTRIBUTION BOX CERTAIN 2025 MODEL YEAR bZ4x - [26TC01](/bulletins/11038370.md), 2026-10-08, Service campaign: ELECTRICAL SYSTEM. An electrical connection for the rear window defogger may not have been installed correctly during vehicle assembly. Overtime, this can cause the rear window defogger to become inoperable, which could reduce visibility through the rear window when moisture or condensation is present - [26TC02](/bulletins/11034825.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC02 REPROGRAMMING FOR PARKING ASSIST ECU CERTAIN 2023 \- 2024 SEQUOIA - [26TC02](/bulletins/11034824.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC02 REPROGRAMMING FOR PARKING ASSIST ECU CERTAIN 2022 \- 2024 TUNDRA / TUNDRA HYBRID - [22TE09](/bulletins/11033412.md), 2026-06-04, Warranty extension: ELECTRICAL SYSTEM. Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles \(whichever comes first\), we at Toyota care about the customers’ ownership experience. Toyota is providing extended coverage under this Customer Support Program for repairs related to excessive corrosion to the wire harness connections at the Rear Motor Generator. Excessive corrosion can cause AM Radio Static during certain drive cycles, or the vehicle may not start. - [T\-SB\-0029\-26](/bulletins/11032486.md), 2026-05-08, Over\-the\-air update: ELECTRICAL SYSTEM. A new head unit software update is available for 2023 – 2024 model year RAV4, RAV4 Hybrid, and RAV4 Prime vehicles equipped with Toyota Multimedia \(earlier than version 1861\). This software update includes the following improvements: • Usability of CarPlay® exit. • User Profile. • User interface. • Cloud navigation. • Intelligent assistant voice recognition. • Bug fixes. - [26TC02](/bulletins/11031162.md), 2026-04-08, Service campaign: ELECTRICAL SYSTEM. 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 - [26TC02](/bulletins/11031161.md), 2026-04-08, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC02 REPROGRAMMING FOR PARKING ASSIST ECU CERTAIN 2023 \- 2024 SEQUOIA - [26TC02](/bulletins/11031160.md), 2026-04-08, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 26TC02 REPROGRAMMING FOR PARKING ASSIST ECU CERTAIN 2022 \- 2024 TUNDRA / TUNDRA HYBRID JSON: [/v1/bulletins/11014190](/v1/bulletins/11014190) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20T-SB-0011-25&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11014190&vehicle=Service%20bulletin%20T-SB-0011-25)