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 the changing of firmware, you need to: 1. Read current value from adaptation channel:
yaml
Block 5F → Adaptation:
Confirmation of installation change
- Copy this value to the calculator below and generate a confirmation key
- Write a confirmation key to the adaptation:
yaml
Block 5F → Adaptation:
Confirmation of installation change: confirmation key
→ Save