P1126 indicates a possible vacuum leak on bank 2 (overly lean condition)
P1411 indicates a secondary air injection fault on the same bank (signal implausible)
P0410 is the same secondary air fault on the other bank.
Possible fault areas are a wiring harness problem, air supply lines are restricted or blocked, a fault with the electric change over valve, or a vacuum leak.
You need to do some digging................
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