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The few Can commands before it switches didn't seem to mind the extra byte at the end as long as it was 12 bytes or less. I didn't notice that it did it even with raw CAN before it switches to ISO15765. I am only assuming it's some kind of checksum because it changes when I change the reply. It does the same thing with the actual responses it's sending back. Look at the extra 21 at the end where it's echoing the command back, went from 12 bytes to 13. Posting a small section of your log below. Might the program be configured for that type of cable. I read somewhere that autel? cables send the extra checkbyte. P1 and p2 are some timers delay for response. On the program top left checkbox is log to file right checkbox extended log to file device checkbox is to use random ID. It will be interesting to put the log in the ini file and see if it is emulated good enough.
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I think no_error msg indicates that the program don`t complain.ĭo you have a log with dps requesting info from a real pcm using mdi. It seems first it echoes the message back and than send the reply with extra byte at the end. I managed to make it run with some software
DRB3 EMULATOR SOFTWARE FOR J2534 DEVICE HOW TO
I can't/haven't found how how to get into the dll and run thru the code to remove the checkbyte.
DRB3 EMULATOR SOFTWARE FOR J2534 DEVICE SIMULATOR
With the simulator I can change my receive and reply file and send it. But this requires 2 mdi's plugged into each other with a y cable, little bit of a pita. As it stands now I have some code to spoof either an E92 or a T43 transmission so I can sniff a 5 byte key or program just the ECM when the ecm AND TCM are required. This would be with no MDI plugged into the computer. Say I send a 00 00 01 01 FE 02 1A B0 then it will reply with 00 00 07 E8 03 5A B0 11 In any case I want to be able to sed up a J2534 simulator that I can connect to with my own software and have it reply to some of my commands, could actually use it with dps and other gm software possibly as well. It's in russian(I think) so the characters don't even show up for me but I muddled thru it, lol. I'll attach what I found below, Don't remember where exactly I found it but google did the hard work for me. I know that exists with gm vpw communication but this is just not working for me, lol. I did find 1 and it uses a xml file to store the receive and reply commands but with CAN(6&14) the damn thing is adding a checkbyte of some kind at the end of every message. *Note that Powertrain flash files are supported through Chrysler’s Tech Authority website and requires a subscription, sold separately.This winter might give me some time to play indoors, instead of coding and then going out to the shop to try it, or lugging 2 mdi's and a y cable in the house I'm wondering about using a simulator.
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This is the exact scan tool software application used in Chrysler, Jeep, and Dodge dealerships to service non-CAN based vehicles from 1998-2007.