ABS and brake light on on 2004 Jeep Grand Cherokee

Why would these be on and what could it indicate is wrong?

1 answer
The contorl modules have had problems, but there's always a possibility that something else is wrong, so get it looked at. Here is some info on the ABS Module: http://www.bba-reman.com/content.aspx?content=jeep_cherokee_grand_abs_pump_module_commonly_failing_bba_repair