Why is my 2005 Chevy express check gages light on?

The check gauges light for a 2005 Chevy Express could mean a wide variety of problems. It is turned on because one of Your gauges it off the range where it should be. So You're going to want to look at which one appears strange and out of place to easily determine what issue it is. The speed sensor may have gone bad and need to be replaced. A new one will cost $30 to $50. It could also very likely be that You are low on oil. You're going to want to change out the oil every 7,500 miles on this van.