Checksum / CRC Tools
Checksum & CRC Tools are essential utilities for any ECU programmer. After modifying ECU files—whether for tuning, IMMO OFF, or DTC removal—checksum correction is mandatory to ensure the ECU accepts the modified data.
✅ Supports Bosch EDC15, EDC16, EDC17, MED17, MEVD17, and more
✅ Compatible with Siemens, Denso, Delphi, Marelli ECUs
✅ Includes automatic correction tools and manual calculators
✅ WinOLS plugins, command-line correctors, and checksum patches
✅ Prevents no-start conditions or checksum-related errors after flashing
Whether you're tuning or cloning ECUs, checksum tools are non-negotiable.
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