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The recall covers 2018 and 2019 Tundra pickups and Sequoia SUVs as well as 2019 Avalon sedans.
Toyota says the air bag control computer can erroneously detect a fault when the vehicles are started. With a fault, the air bags may not deploy in a crash.
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Toyota will notify owners and dealers will update the air bag control software. The recall is expected to begin Oct. 22.