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P2443 Diagnostic Trouble Code Discussion for March 2014

Secondary AIR System Switching Valve Stuck Closed (Bank 2)

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Trouble Ticket Help Requests for DTC P2443
Help Request Posted
2008 Toyota Sequoia SR5 5.7L MIL Lamp on VIN: 5TDZY64A28
P2443: Secondary air injection valve stuck closed. ... with a code p2443, we have tested and found 1)that the air injection pumps are working,2) we have a failing air pump control valve,part of a two piece set and 3) there is a TSB reffering to water intrusion damaging the pumps and possibly the valves.(tsb-01...
March 14, 2014