periodic code p0410

Periodically code p0410 pops up. I checked secondary air pump and it runs and seems fine. Anyone have any thoughts as to why this trouble code keeps popping up. What component triggers the secondary air pump? Alan

Periodically code p0410 pops up. I checked secondary air pump and it runs and seems fine. Anyone have any thoughts as to why this trouble code keeps popping up. What component triggers the secondary air pump?

Alan

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