I was running my Lionel 6-11127 Legacy Southern Pacific Daylight GS-4 #4436. Suddenly, it stopped by itself. There was no short. There were still sounds, and I noticed the number lights blinking. However, the engine would not respond to the CAB-2 or to a CAB-1. I powered down the engine, waited, then powered back up. The engine came on immediately, with no input from the CAB, and it was still unresponsive to the CAB (it may have started to go forward, by itself, but now I can't remember for sure). I put the engine in program mode and tried to reprogram with reset code #1, per the owner's manual. There was no sound from the engine confirming the reprogramming. Then, when I put the engine into run mode and powered up the track, the engine not only came on immediately, but after a pause, it began to move in the forward direction. By cycling the track power, the reverse unit cycles, as if the locomotive is running conventionally. I have tried clearing the the engine from the base using the Legacy System Utility, clearing the train it was part of from the CAB-2, and reloading the engine using its orange module. I have also tried changing the engine's ID number. There is no change from what I have described above.
Any ideas?
Cheers!
Keith