Toyota Tundra Code P2440 at gantlamaareteblog Blog


Toyota Tundra Code P2440. Inspect the secondary air injection. The common causes of a p2440 code include a bad secondary air injection valve, a disconnected vacuum hose, a wiring issue, a malfunctioning secondary air pump, and a pcm malfunction.

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Pulled the code with my reader and much to my surprise got the dreaded p2440 error code (secondary air injection system valve. I thought that i would contribute my experience with the p2440 code. Fast forward 2019 at 170k miles, dashboard lights flashing and limp mode again with stuck valve code p2440.

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Inspect the secondary air injection. Diagnose the issue using a scan tool to confirm the p2440 code. Got p2440 error code “secondary air injection system switching valve stuck open (bank 1)” and truck is beyond extended warranty. Watched a couple of videos on youtube.