Bosch EDC7U31 — online firmware checksum recalculation. Compatible vehicles: Astra Truck, Daewoo Truck, Faw Jiefang, Hino. 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 EDC7U31 — a previous-generation heavy-duty diesel ECU; the checksums are recalculated after any calibration edit.
This unit is found on дизельных vehicles Astra Truck, Daewoo Truck, Faw Jiefang, Hino, Tata Truck (2007–2015) — a total of 16 models, among them Astra Truck Adt 25C, Daewoo Truck Bus, Faw Jiefang J6M, Hino 300 Series, Tata Truck Novus, Astra Truck Adt 30C.
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.