Some 2005

Bulletin number

T-SB-0230-12

Component

Engine

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 I Bank 2 • P1441/P1444 - Secondary Air Injection System Switching Valve No. 2 Bank 1 I 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 I 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.

Owners of these vehicles have filed 200 complaints in the engine category.