A/. The Magnet is damaged, it does happens from time to time on BCG.
CHECK: Open the steering room up and see is the magnet normal.
FIX: Replace the magnet.
B/. Wire to the Steering Coil is damaged.
CHECK: Check the Steering wire.
FIX: Solder it back.
C/. Steering Coil fall off (Added 20080423 0348)
CHECK: Open the steering room up and see is the coil normal, it should stick to the side of the body firmly.
FIX: stick it back, by AA Glue or double side sticky tape.
(Added this is as my "Ultra mod." BitCharG just acts the same when I get home....the car is too fast and crashed hard many times...so coil felt off the body)