False knock counts are sometimes an issue in a conversion, or even an old motor that came with the knock system stock, can be worse on stock engine modified and even the noise of headers alone can throw them off. Heck on Thirgen they tracked down false knock to a bushing on rear axle control arm!

I don't know the answer?

I do know that just taking out the knock sensor and disabling error code in a 1227747 is killer if you don't get rid of the ESC test.

You could always build a safe spark advance table and take out knock sensor. But from memory in $0D can't remember if there is, or how to stop knock test?