Here is a handy list of codes that the dealership uses to know who, what, when, where, and why with your car:
1000 Order On Hold at Dealership
1100 Order Placed at Dealership
1101 Order Entered into System
1102 Order Entered via Web
2000 Order Accepted by Chevrolet
2001 Order Generated to Dealer
2005 Order Replaced with GM Prospec Order
2030 Order Edited by Chevrolet
2050 Order Changed
2500 Order Preferenced (or "Picked Up" or "Imaged"), Sent to Production
3000 Order Accepted by Production Control
3100 Order Available to Sequence (now becomes more stable)
3300 Order Selected and Scheduled for Production by Assembly Plant (Target Production Week usually available now)
3400 Order Broadcasted for Production (Internal Plant Order Produced)
3800 Vehicle Produced
4000 Vehicle Available to Ship
4104 Bailment Invoice Created
4B00 Bayed ("B", not 8)
4106 Bailment Released
4150 Vehicle Invoiced (Dealer Billed)
4200 Vehicle Shipped
4300 Intermediate Delivery
4V03 Estimated Delivery Date
4800 Rail Ramp Unload
5000 Vehicle Delivered to Dealer
6000 Vehicle Delivered to Customer
9000 Order Cancelled
Enjoy, and I hope this helps you to tell where your car is!
