Haven't seen those 1100 codes, but you're well beyound that anyway. Based on what I've heard, you're right where you ought to be. The TPW will stabilize when the sequence number is assigned, then it's off to production.
2001-Order generated to dealer
2005-Order replaced with GM Prospec order
2050-Order changed
2500-Order sent to production, preferenced
3000-Order accepted by production control
3100-Order available to sequence (now the tpw becomes more stable)
3400-Order broadcasted for production
3800-Vehicle produced
4150-Vehicled invoiced to dealer
4200-Vehicle shipped
5000-Vehicle delivered to dealer
6000-Vehicle delivered to customer
6010-Vehicle delivery change
2001-Order generated to dealer
2005-Order replaced with GM Prospec order
2050-Order changed
2500-Order sent to production, preferenced
3000-Order accepted by production control
3100-Order available to sequence (now the tpw becomes more stable)
3400-Order broadcasted for production
3800-Vehicle produced
4150-Vehicled invoiced to dealer
4200-Vehicle shipped
5000-Vehicle delivered to dealer
6000-Vehicle delivered to customer
6010-Vehicle delivery change