This is not the first time this has happened to me. On My 2000 V6 camaro, and all of a sudden, the BRAKE light, ABS INOP, and Service Engine Soon all stay on ALL the time. Under warranty, I would take it to the dealer to fix this. is there any way i can fix it myself? i think i remember a mechanic one time telling me it was a relay or a switch they had to change. thanks in advance for all your help!

I find a reputable shop have them scan and tell you what's wrong. Granted it'll cost you $60-$80, but you can't read the ABS system with a cheap scanner. Sorry, but that's all I've got.

Wheel speed sensor??

That happened to me once, and it turns otu I had too uch corrosion on my battery terminals... cleaned them and it was all good