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International Automotive Technicians Network
Re: 2012 Tundra codes P 2445 and 2447
Posted to Technical Discussion Forum on 11/3/2026

Test the air injection control driver. The PCM has no way to determine if the driver works or not. Over-current from the air injection pump(s) will damage it.

Aftermarket pumps tend to draw too much current as well. They may not damage the driver right away,... Login to read more.