the DPID data the ecm broadcasts will be under the ID 0x5E8. the scan tool will request mode 0x2c to tell the ecm what pid to put in what buffer, and then I think mode 0xAA is the scan tool request to start the data broadcast. I can clarify more if it's needed. mode 0x22 is the request for the ecm t...

universal patcher has the checksum calcs figured out for you already. see the t43 xml

that should be easy enough. you don't need to read the cluster. ipc hammer should have the stock files to start with. Find your calibration file, search for the service airbag message and replace it with what you want it to say. save the file and write it to the cluster with ipchammer. I don't even ...

setting up your r13 value will clean it up a lot

it's very common to see similar data at different addresses with gm. it can be very helpful

diga wrote:For T87/T87A, I have a lot of experience, if you want to dump flash .remap, programming, I think I can help you.

I am a newcomer, I have been watching this forum for a long time, and my account has just been activated.

I'm interested in this if you or anyone else is willing to help.

Can either built a file from the sps files complete enough to flash the calibrations or you can read it using mode 23 and a J2534 device.. If you post up or pm your vin I can see if I have the files and I wrote some code to build a bin from the cache files.. That'll let you play at least.. If you'r...

thanks for all your contributions to this site. I hope your remaining time is comfortable.

is there a parameter for the WOT shift RPM? maybe it's needing to see that before it will shift?

I dont know what else is being referred to, but Joukoy and Kar4o look to have it covered with universal patcher, see them in the xml config in here: https://github.com/joukoy/UniversalPatcher/tree/master/XML yes, see this. the eng op section is different then the other segments. the extra checksums...