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I have been working on this on and off for years and I have got better and better at coding. But for the life of me I cannot get TPMS data from the CanBus
There is so much conflicting information some say you can only get it from the K Line, which I think Techstream does as when I sniffed on the canbus only just seen queries to the gateway ECU.
ScanGauge says you can do it via the Body ECU and was even nice enough to give the information, but when I do it, 7F which is negative 21 asking for service mode getting 11 back which mean sub function not supported.
has anyone made any progress over the years ?