Service bulletin T-SB-0230-12 Rev

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's 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.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Fuel injection

Trouble codes named

P0412, P0418, P1440, P1441, P1442, P1443, P1444, P1445, P2440, P2441, P2445

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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