Solving MMS Flex EDC17 ECU Bench Reading Issue

 Problem: I couldn’t read EDC17c74 with Flex programmer on bench i had read that ecu one year ago no problem. or maybe my flex box is the problem?


MMS Flex Cannot Read EDC17 ECUs on Bench Solution

Solution:

Check if wires are not broken. It may stop working when wires were broken.

EDC17 requires pin 4 in slot A as we can see in photo he have it on 2.

It’s user error, in pinout you can see it will tell you A-4 because A-4 is terminal 15 not like A123 that are terminal 30.

Move ignition pin 2 to pin 4.

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