Recent content by collink

No, I integrated the add-on pack such that the car ends up using it both for charge and discharge without knowing the extra pack is there... most of the time. Sometimes it generates an isolation fault or something. But, the error it generates clears with a power cycle so when it happens we just...

I've done it successfully. I added 12kwh worth of batteries in the "trunk" area of a 2012 Leaf. It has been driven around for months thereafter. I can't say that there are never any problems but they're rare and clear with a power cycle. The car used to get perhaps 55 miles per charge but now I...

I haven't gotten there yet (so many projects...) but I thought about using UDS to try to extract firmware. UDS has specific provisions to allow for firmware upload and download. That's how an automaker can update the firmware on the various vehicle systems without having to take things apart. I...

The posted security byte algorithm does in fact work for very many of the other frames. I think I only found a couple that didn't match and they probably were non-command frames that they didn't bother to secure. 1DA works 1DB works 1DC works 11A works 1D4 works 1F2 does not check out 284 does...

I've written a quick and dirty C# app that can correctly implement the algorithm that was posted in this forum and in the recently posted spreadsheet. It can be downloaded at: http://www.kkmfg.com/CRC_Nissan.zip there is an executable in there as well as the source code. I will upload it to my...