P06dd Engine Code Chevy Silverado

What is p06dd engine code [quick guide] I have a chevrolet silverado 2500 hd with a 6.6 diesel. i have a check A43c e55a

I have a Chevrolet Silverado 2500 HD with a 6.6 diesel. I have a check

Check Details

I have a Chevrolet Silverado 2500 HD with a 6.6 diesel. I have a check

Check Details

What is P06DD Engine Code [Quick Guide] - YouTube