Only export models used position 6 for transmission identification. US models used position 6 for the series (there was only one in 2004). For 2005 there was the Base, Limited & SRT-6. Below is the 2004 model year vin info from the service manual.
POSITION INTERPRETATION CODE = DESCRIPTION
1 Country of Origin 1 = Manufactured By DaimlerChrysler Corporation
2 Make C = Chrysler
3 Vehicle Type 3 = Passenger Car
4 Other K = Restraint System Front Air Bags Next Generation
(CGW) With Standard Side Air Bag Supplement (CGS)
5 Car Line N = Crossfire (LHD)
P = Crossfire (RHD)
6 Series 6 = “S” Series
6 - Export Transmission C = 6 Speed Manual (DED)
E = 5 Speed Automatic (DGU)
7 Body Style 9 = Specialty Coupe
8 Engines L = 3.2L V6 SOHC 18 Valve
9 Check Digit See explanation in this section
10 Model Year 4 = Model Year
11 Plant X = Osnabrueck Germany
12 through 17 Sequence Number 6 Digit Sequential Number Assigned By Assembly Plant.