The light comes on sometimes when i'm driving, usually when the roads are salty or have wet snow and salt on them. It doesn't come on every time I drive, and if I restart the car it goes away and stays away sometimes and other times comes back on. Could it be a loose sensor? Anything I can check?

_________________
2001 Bonneville SE
- K&N Filter Charger

Are both the ABS and TRAC-OFF lights on, or just the ABS?

Check the wiring at all 4 wheel bearings for corrosion or broken wires. It could really be anything from a simple wiring issue, to a sensor issue (which is part of the wheel bearing)

_________________
Andrew - owner/operator of Bonnevilles Unlimited

2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
1997 Corvette | 55k | Silver Metallic | Z06 wheels | Date-night Hauler/Parts runner
2014 Town & Country Limited | Cashmere Pearl | 95k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 260k | Official Bonneville Hauler

It's just the ABS light, and the brakes seem to work the same if the light is on or off.

_________________
2001 Bonneville SE
- K&N Filter Charger

ya i have the same issue i get the Antilock and Trac off light on when the roads wet and its under 32* above this im OK, I was getting watter weeping into the WSS connectors so i sealed them, havent gotten a chance to drive it yet

idk if it's the same issue but i had the light on for a few weeks and the abs was not working (anti-lock light only). there's a flaw in the routing of some wiring under the hood right above the tranny - the gear selector lever/linkage rubs on the wires and in my case it snapped some wire (light blue). after fixing the wire my abs works and the light is off.
hope this helps.