EEPROM CS1 & CS2 Checker - ECU Checksum Correction Tool 1.1

New release thread for EEPROM CS1 & CS2 Checker for Bosch ECUs: discuss, share feedback, and get help.

EEPROM CS1 & CS2 Checker for Bosch ECUs​

Free tool to verify and check CS1/CS2 checksums in Bosch EDC17/MEVD/MEV eeproms.

EEPROM CS1 & CS2 Checker v1.1 for Bosch ECUs

Introducing the EEPROM CS1 and CS2 Checker v1.1, a specialized free utility designed to verify the integrity of Bosch ECU EEPROM dumps. This tool is essential for technicians and tuners working with EDC17, MEVD, and MEV series ECUs, ensuring that the data has not been corrupted during reading or writing.

A correct checksum is vital for the proper functioning of the engine control unit, and this software...

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Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

View full details and download — EEPROM CS1 & CS2 Checker for Bosch ECUs