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Truck Diagnostics
When I connect using J1708 on some vehicles I get all of the VIN, Mileage, Hours and so-on but when I connect to the same vehicle using J1939, some data never arrives? Example, no VIN on a John Deere, see snapshot below, Can companies like JD use Proprietary SPNs to send...
spn j1939
Please disregard, I purchased the diagnostic layer papers from SAE and found my answer, anyone needing help in this area or PGN SPN details, please feel free to ask, or email me at pfsupport@rogers.com.
Thanks all
dtc j1939
Yes, typo :D
I copied a sample using Trans Temp from PGN 65272 as an example of how I am pulling the data, See Below... what I need to know is in the fault code PGN 65226, I retreive the data in a message format, from what I have been able to learn, the breakdown is as follows...
Does anyone know what the message format is for a DTC on the J1939 bus? For example, what byte location are the SPN, FMI and Counts in PGN 65262? I am getting data in that PGN like this:(in HEX)
PGN 25262 Source 0...
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