Yes I had truck to dealer last week. They told me the intake control valve needs to be replaced. They had to order it in and closest place to get was in the USA and said it may take two weeks to get
Were you able to get yours into dealer? Be interested to see if yours is the same
The check engine light on my 2020 3.0L Duramax came on and stayed on. The fan seems to run instantly even when first initially started. Has anyone seen this?
i called onstar and they didn’t help much. Two codes a P20F8 and a P200A. They told me to get it into dealer. Only issue is dealer not open till Monday. We wanted to tow the boat today but it is suggested to not use for hauling or towing