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Bosch MEV17.2.2 - TC1767

Bosch MEV17.2.2 - TC1767 Support Guide

Bosch MEV17.2.2 - TC1767

Errors

Checksum is invalid. error code : 0x00000001

This error occurs when the ECU detects a mismatch in file integrity, often due to previous tuning with different tools.

View Solution →

Concerns vehicles from

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Checksum is invalid. error code : 0x00000001

Method: BENCH

Issue: The user encounters a verification failure where the Infineon Tricore processor identifies an incorrect checksum structure within the loaded file.

Solution
  • In most scenarios involving BOSCH MEDC17 series ECUs, you can safely ignore this warning and proceed with the programming sequence.
  • Ensure that the file being written is compatible with the MEV17.2.2 hardware version.
  • If the same error persists or blocks the actual programming process, please Contact our technical support immediately with your logs.
To understand more

This conflict typically arises because the Control Unit was previously flashed using a different third-party tool that modified the internal checksum values. bFlash detects this discrepancy as a safety precaution; however, since the tool performs its own real-time corrections during writing, the initial warning is often a non-critical notification of the file's current state.