Bosch EDC17CV42 — online firmware checksum recalculation. Compatible vehicles: Caterpillar, International, JAC Motors, Kaessbohrer. Upload MOD and ORI — result in a second, preview is free.
The plugin is already selected. Upload your MOD and ORI firmware — you'll get the result in a second.
Bosch EDC17CV42 — a Common Rail diesel ECU built on the Infineon TriCore core. Firmware protection combines a software calibration CRC and a cryptographic signature (RSA/CVN) over the CFG and CAL areas; after editing, these sums must be recalculated or the unit will reject the file.
This unit is found on дизельных vehicles Caterpillar, International, JAC Motors, Kaessbohrer, Massey Ferguson, Otokar, Willibald (2010–2024) — a total of 13 models, among them Caterpillar CT 660, International DuraStar 4400, JAC Motors Gallop, Kaessbohrer Pistenbully, Massey Ferguson GRAIN HARVESTER, Otokar Vectio.
Recalculation is needed after any calibration edit — Stage 1 truck, AdBlue off, DPF off, EGR off, Limiter speed/RPM, DTC removal, Cold-start fix: the checksum no longer matches, and the ECU throws an error or refuses the firmware.
Upload the modified file (MOD) and the original (ORI) — the tool compares them, finds the affected regions and recalculates only the required checksums, leaving the rest of the calibration untouched. The result is ready in a second and free; downloading the fixed .bin requires registration in the portal.
Other checksum plugins from the same manufacturer — open any of them to recalculate the checksum.