Calculator For Opel - EEPROM IMMO Key and Mileage Tool 1.0

New release thread for Calculator For Opel — Vectra/Astra Odometer Hex Calculator (VDO/TRW): discuss, share feedback, and get help.

Calculator For Opel — Vectra/Astra Odometer Hex Calculator (VDO/TRW)​

Convert original → new mileage for Opel Vectra & Astra (VDO/TRW) EEPROM dumps.

Calculator For Opel 1.0 — fast mileage calculator for Opel Vectra/Astra clusters
A tiny Windows helper that converts an Original value into the required New value bytes for Opel dashboards. Works with popular instrument clusters used on Vectra and Astra (VDO / TRW). Load your EEPROM dump, enter the values, press Calc, then Save File to write back with your programmer.

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Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

View full details and download — Calculator For Opel — Vectra/Astra Odometer Hex Calculator (VDO/TRW)