How do I read and edit a cal file in Tunerpro

Charlescrown · Post by **Charlescrown** » Tue Aug 05, 2014 1:19 pm

I have downloaded the cal and bin file from a VY and the bin file works fine in Tunerpro but the cal file shows me nothing at all. Is there something I have to set/do to be able to look at the cal file only?

Post by **antus** » Tue Aug 05, 2014 1:28 pm

not sure, but my guess would be that the cal section doesnt start at 0x0000 so it needs an offset pre-pended or updated in the vy XDF. Simplest option would be to download bin, upload cal only (select the bin as the source when uploading cal).

Post by **VL400** » Tue Aug 05, 2014 1:44 pm

That is correct, the issue is the cal file data starts at address 0 but the XDF does not.

This is something that has been changed in the next flashtool release. You will now have the option to pad out a cal file to a bin size and offsets much like the plugin does in TunerPro.

Charlescrown · Post by **Charlescrown** » Tue Aug 05, 2014 2:22 pm

That explains whats happening. Not quiet my area of expertise. I am just playing around at the moment bench testing trying to learn a little so I might change the bin and reload it but I do believe you can turn the ECU into a brick doing this.
Thanks for the advice.

Post by **VL400** » Tue Aug 05, 2014 2:24 pm

Do as antus suggested, get bin, edit in tunerpro and then write cal. The flashtool will know its a full bin, but only write the cal section which is normally recoverable if something goes wrong.

Charlescrown · Post by **Charlescrown** » Tue Aug 05, 2014 2:27 pm

I didn't know you could do that. Great. I will give it a try later. Thanks

Charlescrown · Post by **Charlescrown** » Tue Aug 05, 2014 5:24 pm

Tried it and it works fine. The question I have is when you go to save the CAL file it says the checksum has changed so I clicked yes did it again and it was fine. I then read the bin and checked to see if what I changed had been changed and it was. Is this normal to change the checksum value?

Post by **VL400** » Tue Aug 05, 2014 6:42 pm

As you have edited the bin the checksum needed to change, but TunerPro cannot calc the checksum on its own so you need a checksum plugin .. http://pcmhacking.net/forums/viewtopic. ... gin#p31079

The flashtool can calc the checksum and then fix it up for you if you dot want to use the CS plugin.

How do I read and edit a cal file in Tunerpro

How do I read and edit a cal file in Tunerpro

Re: How do I read and edit a cal file in Tunerpro

Re: How do I read and edit a cal file in Tunerpro

Re: How do I read and edit a cal file in Tunerpro

Re: How do I read and edit a cal file in Tunerpro

Re: How do I read and edit a cal file in Tunerpro

Re: How do I read and edit a cal file in Tunerpro

Re: How do I read and edit a cal file in Tunerpro