Rear speaker not working

[Jpro39]

When I use the fade balance control to test the speakers the entire left side don’t work. Anyone have any suggestions?

 

[Hush Car Audio]

Balance controls left to right not fader.

 

[Wfo]

The Gen2 truck has too many issues! I had zero problems with my gen1.

 

[So-Cal-Al-52]

My driver side rear speaker does the same thing on my 2020. Sometimes when I hit a bump it starts working for a bit and then turns back off. I adjusted the fade to the front and it seems okay now. I assume there is a loose wire behind the door panel but have yet to dig into it.