lets get this right, you first had too get a jump start too revive your near dead battery. Then you noticed that the ABS light has logged an error with the system.
Well im a Lic mechanic and the first thing I would ask you is that the ABS system was working fine before this incident happened--right !!!!
Ok if it was then,
dont sweat too much, the problem probably lies with the overvoltage protection
relay usually located near the ABS unit under the dash.
Try too find it , and you can use your multi-meter too check it out...
Pls get back too me if you have problems (firstname.lastname@example.org)