Skip to content

XOR Calculator

After changing firmware of Main Unit you can get 1555 / B201A Checking Software Version Management fault code in the 5F control module. XOR calculator is used to confirm firmware.

To confirm changing of firmware you need to: 1. Read current value from adaptation channel:

Блок 5F → Adaptation:
Confirmation of installation change
2. Copy this value to calculator below and generate confirmation key 3. Write confirmation key to the adaptation:
Блок 5F → Adaptation:
Confirmation of installation change: confirmation key
→ Save

XOR calculator
Original code:    
Confirmation key: 

Comments