Toyota 4RUNNER 2005–2007 — technical service bulletin
Bulletin T-SB-0230-12 · NHTSA communication 10075945 · issued Nov 27, 2012
Technical service bulletin
communication type
Engine
component
2005–2007
model years
10
vehicle entries
Official 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 Inje
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.