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February 7, 2022 Service bulletin

All 2021 ? 2022 model year LS 500 vehicles may exhibit a surge/bucking condition when applying throttle of...

Lexus technical service bulletin L-SB-0003-22 for 2021-2022 Lexus LS500.

Bulletin number
L-SB-0003-22
Component
Electrical system
Summary
TSB: All 2021 ? 2022 model year LS 500 vehicles may exhibit a surge/bucking condition when applying throttle of less than 20 percent. This condition is only felt after the vehicle has cold soaked and reduces as the vehicle warms up. The condition is no longer present once the vehicle reaches operating temperature. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been revised to address this condition. Follow the Repair Procedure in this bulletin to address this condition

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