As discussed in the comments section, Austrian-built Chrysler/Jeep bear a different code compared to American ones according to VINs. Would be possible to mass change only Austrian-built ones?
Here the code list:
1992-95 Chrysler Voyager and Grand Voyager are [ES]
1996-2001 Chrysler Voyager and Grand Voyager are [GS]
2001-2008 Chrysler Voyager and Grand Voyager are [RG]:
https://www.vindecoderz.com/EN/check-lookup/1C8GYN3712U555840
https://www.vindecoderz.com/EN/check-lookup/1A8GYN3797Y528346
2005-2010 Chrysler 300C and 300C Touring are [LE]:
https://www.vindecoderz.com/EN/check-lookup/1A8G6E7M66Y110220
2006-2010 Jeep Commander are [XH]:
https://www.vindecoderz.com/EN/check-lookup/1J8H3E8M46Y176535
1994-1999 Jeep Grand Cherokee are [ZG]:
https://www.vindecoderz.com/EN/check-lookup/1J4GZN8M9TY115379
https://www.vindecoderz.com/EN/check-lookup/1J4GZN8M5TY107537
1999-2005 Jeep Grand Cherokee are [WG]:
https://www.vindecoderz.com/EN/check-lookup/1J4GWB84X1Y524852
https://www.vindecoderz.com/EN/check-lookup/1J4GWB8401Y511902
2005-2010 Jeep Grand Cherokee are [WH]:
https://www.vindecoderz.com/EN/check-lookup/1J8HCE8M85Y572059

Thanks in advance