Foxflash Failed to Write PSA MD1CS003 ECU Solution

 Problem:

Foxflash read PSA MD1CS003 ECU fine but failed to write. Any solution?

Foxflash Failed to Write PSA MD1CS003 ECU Solution

Solution:

Your battery is low. 12.1v on bench seems less to this ECU.

Better with 13.5V and 2–3A.

If still fails, fix checksum manually and write back.

If ECU is after 2020, it is not possible to remap that ECU (with OTP zone). You cannot read anything.

www.iecutool.com

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