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Torque » Torque OBD ECU Scanner » Torque Discussion / Ideas » CANBUS DATA

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Author Topic: CANBUS DATA
obdnilsen
Member
Posts: 14
Post CANBUS DATA
on: January 13, 2024 (GMT)

Hello.

I have some info from my car. i know its tire pressure, But how do i use this info in OBD Terminal?

0x10(256) ********* is tirepressure value 242 rear tire.


https://ibb.co/GnQKWKL

its from a skoda octavia 2010 VRS
cintakc
Member
Posts: 1663
Post Re: CANBUS DATA
on: January 15, 2024 (GMT)

Does your car have a separate TPMS unit?
What protocol is available for diagnosing your TPMS unit, VWTP 2,0 or UDS protocol?
obdnilsen
Member
Posts: 14
Post Re: CANBUS DATA
on: January 15, 2024 (GMT)

Its UDS protocoll.
cintakc
Member
Posts: 1663
Post Re: CANBUS DATA
on: January 15, 2024 (GMT)

in the screenshot the VWTP2.0 protocol is more likely based on the ABS block
obdnilsen
Member
Posts: 14
Post Re: CANBUS DATA
on: January 16, 2024 (GMT)

Its from the abs block, your right.

But how can i send back to the canbus?

Can u help me with correct syntax?
cintakc
Member
Posts: 1663
Post Re: CANBUS DATA
on: January 16, 2024 (GMT)

did you take this data on the CAN bus of the diagnostic connector or on the internal CAN bus of the car?
You didn’t write your ultimate goal, do you want to get tire pressure data in TORQUE?
obdnilsen
Member
Posts: 14
Post Re: CANBUS DATA
on: January 17, 2024 (GMT)

its from VCDS, Its a gateway on the car so i have to cut the wires. i dont want that.

i want tire pressure info thats right, i want to use it on the arduino.
cintakc
Member
Posts: 1663
Post Re: CANBUS DATA
on: January 17, 2024 (GMT)

try this

Sent “ATCAF1\r”
Rcvd “OK\r\r”
Sent “ATI\r”
Rcvd “ELM327 v1.5\r\r”
Sent “ATCAF0\r”
Rcvd “OK\r\r”
Sent “ATMA\r”
Sent ” “
obdnilsen
Member
Posts: 14
Post Re: CANBUS DATA
on: January 17, 2024 (GMT)

All ok. But where is logg stored? Atma command?[
cintakc
Member
Posts: 1663
Post Re: CANBUS DATA
on: January 18, 2024 (GMT)

you must analyze the responses from the ELM327 programmatically in Arduino and, if you need, write the responses to the log
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