What are the 2009 chevy express 2500 transmission problems?

The common sources of transmission problems in the 2009 Chevy Express 2500 series are usually either mechanical or caused by computer problems. Each of these types of problems will exhibit a different symptom and signs. If You have a mechanical problem with the transmission usually You will notice grinding as You shift between gears. You may also notice that it is very noisy when You are driving at normal speeds in Your van. When there is a computer problem with the transmission control module the most common thing You will notice is the vehicle feels like it is hunting for a gear to get into. You may also notice that shifts are delayed between gears and that is because the computer has a fault.