abs and brakelight

[DSoutherland]

anybody had there abs light come on when they've lugged out a gear. i jumped form 2nd to 4th to 6th i didn't have the rpms up enough when i hit 6th and it lugged it alittle. when i dd this the abs and brakelight came on. noticed no change in the truck. pulled into the store cut the truck off. when i restarted it the lights were off. drove all day no lights. skiped gears again on the way home (lugged it out on purpose this time) lights came back on. any suggestions