Toyota 4RUNNER 2021 — technical service bulletin
Bulletin T-SB-0035-20 · NHTSA communication 10174901 · issued Apr 14, 2020
Technical service bulletin
communication type
Electrical System
component
2021
model years
22
vehicle entries
Official summary
TSB: 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. As a matter of policy, Toyota does not provide battery warranty coverage for discharged and/or failed batteries due to lack of maintenance. It is the dealer?s responsibility to maintain the specified State-Of-Charge (SOC) of the vehicle?s battery while in stock and
Vehicles covered
- 2021 Toyota 4RUNNER
- 2021 Toyota Avalon
- 2021 Toyota Avalon Hybrid
- 2021 Toyota Camry
- 2021 Toyota Camry Hybrid
- 2021 Toyota C-HR
- 2021 Toyota Corolla
- 2021 Toyota Corolla Hatchback
- 2021 Toyota Corolla Hybrid
- 2021 Toyota Highlander
- 2021 Toyota Highlander Hybrid
- 2021 Toyota Land Cruiser
- 2021 Toyota Mirai
- 2021 Toyota Prius
- 2021 Toyota Prius Prime
- 2021 Toyota RAV4
- 2021 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Prime
- 2021 Toyota Sequoia
- 2021 Toyota Supra
- 2021 Toyota Tacoma
- 2021 Toyota Tundra
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.