DEF Doser Injector Yellow light flashing 55ml max bad DEF filter

I need a help if any one has it this in the pass.

But I have it this issue on my 2017 Cascadia
Light come on
Then I stop. I try do Regen. If not late me.
I drove 40-50 ml.
Check Engine light on with yellow light is flashing but I have all 4 green light.
I stop. I try do Regen again. It not late me.

Then I find garbage TA. Wait for 4 hours.
Search in google
Every one Who has this problems
Clean the DEF trunk. Drain. Get off.
Cleaned. Dry it. Put back. Change the DEF filter. Change Doser.
I ask if you have it filter. Them say it’s no.
Any way did it diagnostics. And told me. I already new. No help! At all! It was Richmont VA off 95. I went to store. Bought everything. I did it. But it’s still have same issue. It’s driveble but don’t go over 55.

What next I can do it?

 

I drove 300 ml
After everything I did it
It was no issue
Only problems flashing yellow light
And
55 ml maximum
Dashboard pure clear
No code or messages
From yesterday none of codes or messages
From diagnostic from your self
Pure

 

I will plug computer tomorrow and late you know

 

Try to learn. What you can do it. Dealership it’s easy.