p0410-air pump

My 2004 I6 Envoy's SES light came on and the code comes up p0410. From what I've seen this means a bad air pump, which is about a $225 part. Do you guys think thats accurate? Is this a hard repair to DIY?

Check fuses first, but if it is a bad fuse it might still be the smog pump. Check first just to make sure you are getting power to the pump.

Water gets into the solenoid/check valve and also can cause this.

Fuses are OK.

This Air pump might have a relay that needs tobe checked.