New KT200 Failed to Read Fiat Marelli 6F3 Solution

 Problem:

I failed to read and write Fiat Marelli MJD 6JF ECU with your new KT200 (KTM200) ecu programmer on bench. Wiring is the same as the document. How to fix it?Images attached:

KT200 Read Fiat Marelli MJD 6JF ECU Guide

KT200 Read Fiat Marelli MJD 6JF ECU Guide

KT200 Read Fiat Marelli MJD 6JF ECU Guide

Solution:

KT200 will read and write Marelli 6f3 full system, read eeprom too.

You've got 2 pinouts. Try another one if one does not work. It is fine with original power supply (12V).

KT200 Read Fiat Marelli MJD 6JF ECU Guide

ALSO DON'T CONNECT BENCH BOX WHEN READ THIS ECU.

KT200 Read Fiat Marelli MJD 6JF ECU Guide

You can also read and write via OBD if there are VR files available. But bench mode is faster than OBD VR reading.

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