Posted 11/20/2023 11:36 (#10489481 - in reply to #10488766) Subject: RE: 2015 suburban with cylinder deactivation
North Liberty and South Bend, Indiana
The AFM system can cause issues. If I were to buy a GM with it I'd deactivate it asap. Or buy a 2018/2019 and newer with the DFM system. It seems to be way less problematic and is a bit of a different animal.