P0410 Cadillac code engine light on.

Question

Engine light came on checked it with scanner came up PO410 changed the secondary air injection pump. Light cameback on today any thoughts?

Answer 1

P0410 Secondary air injection system

Cadillact has produced a TSB about this condition TSB # 02-06-04-024H Titled SES lamp on / P0410 / air pump inop. This is where water gets ingested at the secondary air injection reaction pump inlet hose causing the pump to short out or sieze up.There is a new inlet hose that is available and will have to be rerouted.