Comments (3)
Start by validating that you can simply sends raw CAN messages. Maybe you have the wrong bitrate or need to configure your bus object as CAN FD. The issues is certainly below the UDS or the ISOTP layer.
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bitrate is configed ok, because send 10 03 ok(client.change_seesion(3)), like blow code
with Clinet(conn) as client:
client.change_session(3)
but when enable the suppress postive response bit, send 10 83 failed. like blow code
with Clinet(conn) as client:
with client.suppress_postive_response:
client.change_session(3)
from python-udsoncan.
There's no link between suppress positive response and can level error. I can't help unless you do some serious diagnostic sorry
from python-udsoncan.
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