How to Calculate PIN Code for Opel Astra H from CIM

How to get 4-digit PIN code for Opel/Vauxhall Astra H from CIM EEPROM 95160 dump using Xhorse VVDI Prog programmer.

Remove and disassemble CIM module

Desolder chip 95160 with a hot gun

Solder it into vvdi prog SOP16 adapter

Connect VVDI-Prog with computer

Open VVDIProg software, select EEPROM->ST->M95160

Read eeprom and save it. Same file: original.bin

Download WinHEX editor and open it

Upload CIM dump read by vvdi-prog

Copy Line 65, Row 8 to Row F letters : 5F 03 5F 48 5F 39 5F 03

Right click selected numbers, choose Edit->Copy Block->Into New File

Save new file, named:  “pin”

Select Replace Hex Values from tab

Change these values:

Search for: 5f
Replace with: aa
press OK

Changed value display: AA 03 AA 48 AA 39 AA 03

So the correct Pin for Astra H is 1261.

Read pin code from CIM eeprom 95160 success.

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