As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON COMMENCING TAKEOFF ROLL, TAKEOFF CONFIG WARNING ACTIVATED MAIN GEAR STEERING. TAKEOFF REJECTED AT 20 KNOTS, TAKEOFF WARNING SYS CHECKED PRIOR TO TAKEOFF. MAIN GEAR PERMITTED MORE THAN SUFFICIENT TIME TO ALIGN PRIOR TO TAKEOFF. PERFORMED LOW SPEED ABORT INSPECTION, NO DEFECTS NOTED. FWD ITEM ON PLACARD MEL 3253A CN 709092, COMPLIED WITH DDP.