Production code's at Willmington for the Solstice.
Hope this helps everyone ! Probably will be the same or close for Saturn.
Vehicle Order Event History Codes
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These are the Vehicle Order Event History (VOEH) codes:
1100 Preliminary Order Accepted
1101 Preliminary Order Added
Code 1102 - Preliminary Order Added thru Web (thanks Fred356)
2030 Order Re-edited
2050 Order Changed
2000 Accepted by GM
2500 Preferenced
2550 Order Changed (thanks GO DRVN)
3000 Accepted by Production Control
3100 Available to Sequence
3300 Schedule for Production
3400 Broadcast
3800 Produced
4000 Available to Ship
4104 Bailment Invoice
4b00 Bayed (actually a capital B but it can be mistaken for an eight)
4106 Release Bailment
4150 Original Invoice
4200 Shipped
4800 Rail Ramp Unload
4300 Intermediate Delivery
4V03 EDD (Estimated Delivery Date) Updated (thanks GO DRVN)
5000 Delivered to Dealer
6000 Delivered to Customer
Please note that some codes may occur numerous times and out of order, such as 2030, 2050, 2550, 3000, 3100, and especially 4b00. Every time your Solstice is parked someplace to wait to go someplace else, it is Bayed (4b00).