Continental SDI21.X — online firmware checksum recalculation. Compatible vehicles: Porsche. 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.
Continental SDI21.X — after a calibration edit the calibration checksum must be recalculated.
This unit is found on бензиновых vehicles Porsche (2016) — a total of 18 models, among them Porsche 718 Boxster, Porsche 718 Boxster S, Porsche 718 Cayman, Porsche 718 Cayman S, Porsche 911 Carrera, Porsche 911 Carrera 4.
Recalculation is needed after any calibration edit — Stage 1, Stage 2, Stage 3, Pop & Bang / decat, Launch control, Speed limiter off, OPF/GPF off, Lambda off, 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.