Toyota 4RUNNER 2026 — technical service bulletin
Bulletin T-SB-0005-26 · NHTSA communication 11029879 · issued Feb 6, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2026
model years
31
vehicle entries
Official summary
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
Vehicles covered
- 2026 Toyota 4RUNNER
- 2026 Toyota 4RUNNER I-Force Max Hybrid
- 2026 Toyota 86
- 2026 Toyota BZ
- 2026 Toyota BZ Woodland
- 2026 Toyota Camry Hybrid
- 2026 Toyota C-HR
- 2026 Toyota Corolla
- 2026 Toyota Corolla Cross
- 2026 Toyota Corolla Cross Hybrid
- 2026 Toyota Corolla Hatchback
- 2026 Toyota Corolla Hybrid
- 2026 Toyota Crown
- 2026 Toyota Crown Signia
- 2026 Toyota Grand Highlander
- 2026 Toyota Grand Highlander Hybrid
- 2026 Toyota GR Corolla
- 2026 Toyota Highlander
- 2026 Toyota Highlander Hybrid
- 2026 Toyota Land Cruiser Hybrid
- 2026 Toyota Prius
- 2026 Toyota Prius Plug-In Hybrid
- 2026 Toyota RAV4 Hybrid
- 2026 Toyota RAV4 Plug-In Hybrid
- 2026 Toyota Sequoia Hybrid
- 2026 Toyota Sienna Hybrid
- 2026 Toyota Supra
- 2026 Toyota Tacoma
- 2026 Toyota Tacoma Hybrid
- 2026 Toyota Tundra
- 2026 Toyota Tundra Hybrid
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.