How to know if the ECU Firmware has been changed?

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How to know if the ECU Firmware has been changed?

Postby Simple » Wed Jul 16, 2014 12:34 pm

I bought my Citroen C8 2.0 HDi few years back, I did not know anything about DPF. I called the dealer who informed me that my car comes equipped with one, but I never got a message to top-up the Eolys fluid.

I suspect the DPF has been removed and/or the warning has been silenced in the ECU. How to know?

Simple.

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Re: How to know if the ECU Firmware has been changed?

Postby 2xded » Wed Jul 16, 2014 2:59 pm

Hi!
Perhaps enough to make the diagnosis of car.
Or read the firmware and compare with original.
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Re: How to know if the ECU Firmware has been changed?

Postby Simple » Tue Jul 22, 2014 4:18 am

Where would I get the original file and what tool should I use to compare it?

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Re: How to know if the ECU Firmware has been changed?

Postby 2xded » Tue Jul 22, 2014 6:04 am

Search - on the Internet, compare - hex editor.
For example orginal-ecu-files
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Re: How to know if the ECU Firmware has been changed?

Postby Simple » Tue Jul 22, 2014 2:30 pm

Is the Citroen C5 EDU15C2 firmware the same as the Citroen C8?? and does this apply to the Peugeot 807 as well?

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