Audi MED9.1 OBD Start Failure After Flash: Foxflash Solution

 Problem:

Foxflash read and write Audi MED9.1 via OBD successfully. But after flash and 5 or 6 starts, unable to start. Any solution?


Foxflash Audi MED9.1 OBD Car Not Start Solution

Possible reason:
Checksum problem.

Solution:

Modify checksum manually.

FYI: Better do it on bench mode cause this ECU is not easy to find. Bench mode is safer.

check pinout here

http://www.pcmtuner.org/foxflash-read-vw-med9-1-ecu-on-bench/

User feedback:

Bad checksum, modified checksum with winols and work perfectly.

www.iecutool.eu

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