My wife was driving her 08 smart and was stopped at a traffic light, the turned green, she went to go and the transmission went into neutral and the engine stopped running. I towed it home and checked out the clutch actuator and the worm gear was snapped, ordered a new one and installed it per the manual. Tried to start but the 3 lines, tried to relearn the tranny but nothing. I have 2 codes p1800 and p1801. Any suggestions what else to check and what is cause, it seems that to tranny is stuck in between gears or something. The car will not move when shifter indicator is in park but all the other gears the car will roll freely. I also unplugged battery and let sit over night and still nothing. So any suggestions will be appreciated.