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Automotive ECU Tools

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Automotive ECU Tools

Foxflash Audi EDC16U31 Bench Write Error Solution

Problem:

Foxflash programmer reads Audi Bosch EDC16U31 ECU ok, but failed to write this ECU on bench. Any solution?


Solution:

First voltage is too low, try to write with voltage over 13.5V.

Second, it can be up to checksum. Make cheksum on winols, not with foxflash.

Don’t do checksum automatically when writing back original.

If fail to write back original file, open and use bdm or try to flash original. You can easily recover it in boot with k-tag/kess3 as well.

KESS2 or mpps is better on this old ECU.

How to Recover EDC16CP34 ECU After Foxflash Write Error

Problem 1: It’s an Audi a6 3.0tdi 2005 with Bosch EDC16CP34 ECU. Read and write with FoxFlash in bench mode. Ecu had been soft bricked and car didn’t start.


Foxflash Audi EDC16CP34 Car Not Start Solution
Foxflash Audi EDC16CP34 Car Not Start Solution

Solution:

Edc16cp34 has problem with checksum. Always do checksum manually (in winols/Lsuite etc).

User feedback:

Feedback:
Original ecu file from original-ecu website flashed back.
Everything works good.

Problem 2:

Edc16cp34 Tuareg.
Foxflash Read bench ok.
Write stopped at 90%.


Foxflash Audi EDC16CP34 Car Not Start Solution

Solution:

BDM mode to recovery it.
never write all
only intflash except when you have the fullback file up.

How to Read and Write Actros MCM 2.1 with Foxflash

Foxflash read and write Mercedes Actros MP4 MCM 2.1 and ACM all ok.

It works well on all series of MCM and ACM from Actros MP4.
Read the flash and eeprom using the bench method.

Actros MP4 MCM 2.1 D3 full read and write ok, full system bench mode.

Voltage 14V.


Foxflash Read and Write Mercedes Actros MCM 2.1 and ACM
Foxflash Read and Write Mercedes Actros MCM 2.1 and ACM
Foxflash Read and Write Mercedes Actros MCM 2.1 and ACM

Actros ACM 2.1 full read and write ok, full system bench mode.

Voltage 14V.


Foxflash Read and Write Mercedes Actros MCM 2.1 and ACM
Foxflash Read and Write Mercedes Actros MCM 2.1 and ACM

If it fails to connect with Actros MCM 2.1 D4, you need unlock MCM2.1 HW: D4.

D4 is locked, you need to read the instructions to unlock it.


Foxflash Read and Write Mercedes Actros MCM 2.1 and ACM
Foxflash Read and Write Mercedes Actros MCM 2.1 and ACM

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How to Solve MED17.1.6 OTP Not Writable in Foxflash

Problem:

Tried to read and write Porsche med17.1.6 (tc1797) ECU with foxflash. Reading was okay with the original but I can’t write with new one is there any idea or tips about this type?

Error: Uncorrect file 014000-OTP sector not writable.


Foxflash Porsche MED17.1.6 Error OTP Sector Not Writable Solution

Solution:

So need to import ONLY maps, now theres changes on otp area on that version your trying to write. Needs some manual winols editing to make that new file compatible to be written on foxflash.

Tool give you info about OTP adress, its the important thing. Some flashers are skipping this block, some not. Try boot.
bench read all on old, write all on new ecu or via boot
You need to rewrite the OTP in the file. You need to find the sector that Foxflash suggests and enter it from the old firmware into the new one. It would be good if you had WinOLS.

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Boot and OBD Methods for Citroen Jumper DCU102 via Foxflash

Foxflash read and write Citroen Jumper 2.2 ecu Visteon DCU 102 successfully.

Read ECU in boot mode.

Foxflash will read Ford Visteon DCU by OBD, PSA cannot.

Write ECU via OBD.
It stopped for a moment at 60%, it said it was checking the checksum, but then the writing continued fine. The writing took about 20 minutes in total.


Tips to Read and Write Citroen Jumper Visteon DCU102 with Foxflash
Tips to Read and Write Citroen Jumper Visteon DCU102 with Foxflash
Tips to Read and Write Citroen Jumper Visteon DCU102 with Foxflash