Had a bit of down time yesterday so the car went up in the air, right side front wheel came off. Connector to the toner wheel looked kinda hinkey (wires exposed going into the connector) and the wire was a lot tighter than I like to see. Pulled the connector apart, figured out where the wires were binding and relaxed them, hit everything with contact cleaner and re-assembled. Fingers crossed - no ABS/TC lights on the test beat or on the drive into the office this AM - thanks for the advice!