Porsche 996 3.4 M5.2.2 checksum needed pls

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Porsche 996 3.4 M5.2.2 checksum needed pls

Postby lunio666 » Fri May 01, 2020 11:41 am

Hi,

Please if somebody can do checksum for me mod file. Bosch M5.2.2 read by Kess. 0261204605 1037357099 99661861002

This is my own car and I rise idle to prevent piston slap.

In mod is idle speed rise to 780, revs limit to 7500, cooling fan speed 2 at 98C.

Thanks.
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Re: Porsche 996 3.4 M5.2.2 checksum needed pls

Postby adriancl » Fri May 01, 2020 9:36 pm

Your tool will do checksum in writing.Anyway your Ori file is not original.

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Re: Porsche 996 3.4 M5.2.2 checksum needed pls

Postby lunio666 » Fri May 01, 2020 10:03 pm

Kess give me checksum error and I can't program it, can you tell me what was done in this ECU?

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