This post show you guide on how to unlock/code off for SIEMENS VDO CDR 2005 Radio.
Procedures:
Remove main PCB from CDR 2005 radio,then located EEPROM chip 24C16
Use solder gun to remove EEPROM 24C16 from PCB
Install 24C16 EEPROM on TNM universal programmer (select chip type on software and you will get the pinout and wiring diagram )
Run software TNM programmer software
Read the 24C16 EEPROM dump and make a backup on your pc
Then write code off file(Download here) into 24C16 EEPROM chip
Solder 24C16 back on PCB,and install main board into CDR 2005 radio
Test code off
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