Wnat to define the code p410 on 2004 GMC Envoy

I have a check engine light p410 and would like to know what it means.

by in Nashville, NC on April 21, 2013
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1 answer
ANSWER by , April 21, 2013
It means there's a problem with the secondary air injection "system".....will need thorough diagnosis to avoid just throwing expensive parts at it though.