PCMTuner Failed to Write EDC17C84 via OBD?

PCMTuner Failed to Write EDC17C84 via OBD?

February 26, 2023

Problem:

I have a problem with pcmtuner flash. I can read but can't write EDC17c84 via OBD.

PCMTuner Failed to Write EDC17C84 via OBD

Solution:

Remove ecu and read/write again on bench module 71.

If car not start by module 71 bench mode, the problem can be the checksum.

After fixing checksums, it works on bench module 71.

PCMTuner Failed to Write EDC17C84 via OBD

If not working, try unplug T° engine sensor and try if not succes Wait until T°10 and retry.

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