Marelli IAW 4AC CHERY checksum recalculation

Magneti Marelli 4AC — online firmware checksum recalculation. Compatible vehicles: Chery. Upload MOD and ORI — result in a second, preview is free.

Calculate checksum
MARELLI IAW 4AC CHERY — checksum fix online · CHIPOK

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MARELLI IAW 4AC CHERY
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Marelli IAW 4AC CHERY — checksum recalculation

ECU manufacturerMarelli
Model4AC
FunctionChecksum recalculation
Compatibility1 brands · 1 models

Magneti Marelli 4AC — the checksums are specific to this unit and are recalculated for the edited calibration.

This unit is found on petrol vehicles Chery (2007) — a total of 1 models, among them Chery Qq.

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.

Загрузи оригинал (ORI) и изменённый файл (MOD) — инструмент сравнит их, найдёт затронутые регионы и пересчитает только нужные суммы, не трогая остальную калибровку. Результат — за секунду и бесплатно; скачивание исправленного .bin — после регистрации в портале.

Supported vehicles (1)

Chery 1
  • Qq 2007 · 1.1 L Petrol · 68 hp

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