ABS light comes on whenever it wants, such as hitting a huge pot hole in this shitty state. And my engine is running lean codes but o2 sensors are still good. Any ideas?!?!

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2000 Red Ford Ranger 4x4/4.0 V6 5spd manual/275/65R16 Treadwrights/Dumped Exhaust/Tow Controller/Bumper Mounted Fog Lights/Spray in Bed Liner/Grenade Shifter
To Come: Running Boards/RED LEDs in corner's/Tonneau Cover/Push Bar/Silverstar Back-Up ligths