Hummer h2, Delphi gmt 800tnr

[skens]

hi
i must decode delphi!
i need info and dump to car radio Delphi gmt 800tnr
PN28032959!hummer
and how code enter?
gm pn:15800000 i find eeprom 1001376 alike 24c16!
pn
wbk328032959r15249028028032959
regards