Cannot get ERR Sound Commander into Command Mode

Let me add on. While the engine is in command, I found the sound board works as if it were conventional.  Here is a picture - I've made sure all is hooked up per the instructions. I will also say I've upgraded almost 30 engines without this problem.

Lastly, I did reprogram the engine (ENG -> 42 -> Set -> Aux1 -> 8).  I tried different Engine Numbers also.

Check the antenna.  I have a K-line GG1 that hates any changes to the antenna and just sits there in conventional only unless it is hooked up just like stock.  For the ERR make sure the antenna isn't looped or touching metal.   I have a couple of engines with ERR.    I glued a shrink wrap tube in the engine for routing the antenna.   Slides in the tube when assembling.

Thanks. The engine runs fine in command, the cruise commander is working with the lights and motor. It is just the soundboard that thinks it is in conventional.

@C&O Allan posted:

Thanks. The engine runs fine in command, the cruise commander is working with the lights and motor. It is just the soundboard that thinks it is in conventional.

That's a total mystery, that should be automatic, plug the cable in, plug the speaker in and away you go.

Well, I got it working.  So the Cruise Commander I had in the engine (both times) was Version 5 on the sticker on the board.  I took one out of another engine which was Version 8 and it started working fine.  Weird but ok.

Here is a video of the engine.  I'm modeling the Austin Steam Train Consist in Austin, at least by car road name.  I've got 3 more cars coming (Texas Special, NYC, and NKP).  That leaves me missing one car (California Zephyr - trying to find MTH 20-6645) which will complete the consist.