October 17, 2013 Service bulletin

Some 2005 ? 2009 model year 4Runner, 2006 ? 2007 model year Land Cruiser, 2005 ? 2007 model year Sequoia,...

Toyota technical service bulletin T-SB-0230-12 Rev for 2005-2006 Toyota Tundra, 2005-2009 Toyota 4RUNNER and 2005-2007 Toyota Sequoia and others.

Bulletin number: T-SB-0230-12 Rev
Component: Fuel system, gasoline
Summary: Some 2005 ? 2009 model year 4Runner, 2006 ? 2007 model year Land Cruiser, 2005 ? 2007 model year Sequoia, and 2005 ? 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL ?ON? condition for the following Diagnostic Trouble Codes (DTCs): ? P0412 ? Secondary Air Injection System Switching Valve ?A? Circuit ? P0418 ? Secondary Air Injection System Relay ?A? Circuit ? P1440/P1443 ? Secondary Air Injection System Control Valve Circuit Bank 1 / Bank 2 ? P1441/P1444 ? Secondary Air Injection System Switching Valve No. 2 Bank 1 / Bank 2 Stuck Open ? P2440 ? Secondary Air Injection System Switching Valve Stuck Open Bank 1 ? P1442/P1445 ? Secondary Air Injection System Switching Valve No. 2 Bank 1 / Bank 2 Stuck Close ? P2441 ? Secondary Air Injection System Switching Valve Stuck Close Bank 1 ? P2445 ? Secondary Air Injection System Pump Stuck Off Bank 1 This condition may be caused by debris passing through the air injection pump assembly and contaminating various components in the system. Use the following procedure to address this condition.

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