ABS, Hill Decent, and Traction control light all came on at once

[mkosloffsky]

ABS, Hill Decent, and Traction control light all came on at once.

I've looked at the other threads on this issue but I'm also have a code P1590. Any Insight??

MK

2000 Discovery II

 

[ericksd]

This is what I just got from disco2.com...

P1590 ABS rough road signal circuit malfunction Hardware is OK, but SLABS ECU is sending an error signal

Dan