Store several tunes in EDC15 at once?

by **Lindahl** » Thu Dec 18, 2014 1:30 pm

Hi

I know that it is possible to store several tunes (3 at least) in the EDC15, like an optimized tune, a stock tune and a mot tune, and that it is then possible to switch between the tunes using for instance VCDS (on VAG cars). I also know that this option isn´t possible on newer ECU´s like the EDC16, so I guess it has something to do with the hw and not the sw per se.
Has anybody in here experimented with this particular function/possibility?

by **Mburns212** » Fri Dec 19, 2014 1:47 am

Yes it is possible. Usually 2 banks of data one for manual, one for auto. Switch between with vcds. However, if you are going to the bother of plugging vcds in you may as well just reflash IMO.

by **Lindahl** » Fri Dec 19, 2014 10:30 am

Mburns212 wrote:Yes it is possible. Usually 2 banks of data one for manual, one for auto. Switch between with vcds. However, if you are going to the bother of plugging vcds in you may as well just reflash IMO.

Thanks - you actually do have a point, but I just feel a lot more confident when using VCDS in contrast to using a MPPS cable, and I´m yet to hear about anobody bricking their ECU when using VCDS (not saying it is not possible though) :)

by **eeds35** » Sun Dec 21, 2014 3:17 pm

Flashing takes more time and its a bit unstable than switching in vcds.

by **Homiczek** » Tue Dec 23, 2014 11:38 am

but sometimes it dont want to change in vcds. I always checking max mg.

but in VAG it is possible in EDC15P - 15VM and maybe others have only one codeblock

by **bogdanwmw** » Tue Dec 23, 2014 12:03 pm

can replace 29F400.. with 29F800..One resistance and one switch.. Look in the pdf 29F800 and search bytes switch..

by **manfred** » Wed Dec 24, 2014 1:02 am

can replace 29F400.. with 29F800..One resistance and one switch.. Look in the pdf 29F800 and search bytes switch..

Have you got more detail info

by **eeds35** » Wed Dec 24, 2014 1:06 am

You need some knowledge in electronics. The point is by switching 1 address you can change all eeprom what ecu sees. This is possible because 29F800 are 2 times bigger but still in same size. Just 29F400 dont use one pin what 29F800 does.