Description
Ensure safe, reliable ECU remapping with official EVC WinOLS Checksum Credits. Correct checksums are essential to prevent ECU lockups, non-starting engines, and corrupted flash files. With official EVC checksum algorithms, your WinOLS software automatically calculates and corrects checksums during file export, ensuring complete file integrity.
Whether you need a checksum module for a specific project or want to stock up on credit packages for ongoing tuning work, select your preferred point package from the options available.
Key Benefits
- 100% Official EVC Plugins: Guaranteed compatibility and accuracy across supported ECU types (including Bosch, Continental, Siemens, Delphi, Denso, and more).
- Automated Calculation: WinOLS automatically applies correct checksums upon file saving and export—no manual editing required.
- Flexible Point Packages: Purchase the single or multiple credits and activate individual checksum algorithms as your business demands.
- Direct EVC Account Transfer: Credits are transferred directly to your official WinOLS customer account (EVC Customer ID) for module activation.
Continue to browse the full EVC WinOLS product and features.
We even offer a full range of training courses for EVC WinOLS tuning software.




