

MAGIC FLX2.78 – BootROM Cable for CM2220A, CM2220B, and CM2220C
MAGIC FLX2.78 – BootROM Cable for CM2220A, CM2220B, and CM2220C
The MAGIC FLX2.78 BootROM Cable is designed for Cummins CM2220A, CM2220B, and CM2220C ECUs, providing a secure and stable connection for Bench programming of heavy-duty control units. It is an essential professional cable for use with the Magicmotorsport Flex system.
BootROM mode for Cummins, available free of charge in Flex via the Enable BootROM button, allows ECU restore or programming even when the firmware is damaged — such as after writing a corrupted, wrong, or incompatible file.
To activate BootROM mode, simply connect the dedicated cable to the ECU, launch Flex, and select Enable BootROM. This gives you low-level ECU access without the need to open the unit, reducing risk and saving time.
With Flex versio
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