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July 12, 2016 Service bulletin

MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2440 (Secondary Air Injection System Switching...

Lexus technical service bulletin L-SB-0038-16 for 2014-2016 Lexus GX460.

Bulletin number
L-SB-0038-16
Component
Tires: valve
Summary
TSB: Some 2014 ? 2016 model year GX 460 vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2440 (Secondary Air Injection System Switching Valve Stuck Open, Bank 1) or P2442 (Secondary Air Injection System Switching Valve Stuck Open, Bank 2) and under some conditions may enter limp mode (limited throttle input ~ 25mph). This condition can be triggered by sub-freezing ambient temperatures. Follow the Repair Procedure below to address this condition.

Owners of these vehicles have filed 1 complaints in the tires category.

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