start here and ask questions. https://chat.openai.com/ I've been messing with this one for a while. I even pay for it to get more out of it. It started as me asking it to write Saturday Night Live skits based on my input, lol. Then I wondered if it could write macros for me to use in my cad software...

I'm still feeding Rudy info but I decided to check what he knows so far. I can't say how correct he is until I get home to try it out. Does this make sense? User Do you know enough to construct a can message to read vin number? GPT Yes, based on the information you've provided and standard practices...

So I've been working on this but I'm taking too long to learn it lol. I started a new route on the raspi since the bus is so easily accessible. Once I fire it up and enable can0, I use Node-Red with Socketcan. So much easier for someone with my programming skills. I also have the GPIO controlling a ...

Here's complete result. I stopped it at the 0x8 range because it became apparent that it wasn't finding anything past 0x2857. (caringcaribou) mark@buspi:~/caringcaribou/caringcaribou $ cc.py uds auto ------------------- CARING CARIBOU v0.4 ------------------- Loading module 'uds' Sending Diagnostic ...

DCM is old and obsolete apparently. The UDS module is the current one. After messing with all these commands, I found the uds module has an auto mode. I brute forces all functions and displays everything it can. It's been banging away on grabbing every value it can get from each address location it ...

zero matches. I have no idea what this function is ATM edit: XCP is a whole other protocall. https://cdn.vector.com/cms/content/application-areas/ecu-calibration/xcp/XCP_ReferenceBook_V3.0_EN.pdf Not going to need this for what I'm messing with. (caringcaribou) mark@buspi:~/caringcaribou/caringcarib...

So I'm messing around with some python tonight in the BusPi. I found something very useful to me. A tool to beat on the security of the ecu through the bus. https://github.com/CaringCaribou/caringcaribou/ "a zero-knowledge tool that can be dropped onto any CAN network and collect information re...

Better yet, I'm will to bet it is to allow a read on a tuner locked tune. Probably have to put the custom value in there if it's tuner locked. Otherwise it uses the standard gm seed key.

That box looks like custom key for unlocking, and it is unchecked so it must be not used during the read process. Yeah I don't know what that box is for. Actually I never ever checked that box any time I read anything. Maybe it's to read a specific memory address? The larger file is the read. Howev...

hjtrbo wrote:You might want to consider looking into DPS and sniff a few sessions. A bit of info here as to some of its capabilities. https://www.cameraloops.com/gm-info/gm_dps/

Wow thanks for that. Answered some thoughts I was having about the low speed bus. Great resource!!