2007 Chevrolet Avalanche Q&A

2007 Chevrolet Avalanche Question: My air suspension isn't turning on anymore

I have a 2007 ltz avalanche and the air suspension used to come on for about 10 seconds every time I would start it but for the past few weeks it doesn't turn on and I dont get any warnings that something is wrong. What gives? -
Answer 1
Is the level of the truck alright? -