How to do DTC Off on the Bosch Kefico (Hyundai-Kia) ECU with automatic checksum correction — Softechpro.
DTC Off on the Kefico (Hyundai-Kia) ECU disables the specific diagnostic trouble codes stored in the calibration directly in the calibration, and Softechpro recalculates the checksum & CVN automatically so the file is flash-ready. On the Kefico (Hyundai-Kia) this typically clears related codes such as any stored P/U/C code. The Kefico (Hyundai-Kia) is found on Hyundai-Kia petrol (GDI/MPI).
DTC Off is intended for off-road, motorsport and export use in line with local emissions law. If your Kefico (Hyundai-Kia) vehicle needs dtc off, Softechpro covers it as part of an all-in-one suite alongside DPF/EGR/AdBlue/DTC off and Stage tuning.
Yes. Softechpro applies DTC Off to the Kefico (Hyundai-Kia) mapped to your exact software version and recalculates checksum & CVN automatically.
Yes — Softechpro corrects the checksum & CVN on every output so the Kefico (Hyundai-Kia) accepts the flash. Always flash with adequate battery voltage.
Emissions-related changes (DPF/EGR/AdBlue) are for off-road, motorsport and export use only, in line with local law.
Softechpro is a subscription from €98.99/mo (Yearly €1,035) for cloud module patching, tuning and DTC solutions.
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