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Torque » Torque OBD ECU Scanner » Torque Discussion / Ideas » canbus clarification (what can be pulled and which devices)

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Author Topic: canbus clarification (what can be pulled and which devices)
surge
Member
Posts: 6
Post canbus clarification (what can be pulled and which devices)
on: June 22, 2022 (GMT)

How much canbus information can Torque retrieve?
Can it pull most (or any) of the same info that a professional device that mechanics use?

Are the OBDLink devices the only devices that can read canbus?
from this list
https://wiki.torque-bhp.com/view/Bluetooth_Adapters

Vasilich
Member
Posts: 179
Post Re: canbus clarification (what can be pulled and which devices)
on: June 22, 2022 (GMT)

1. as much as available on OBDII connector. Beware, that many vehicles do not have direct connection of canbus to OBD – only via gateways, mostly converting full and fast can bus to slow can bus with request-relpy mode.
2. Any adapter with PIC18f25k80 inside will do good job, not only OBDLink.

moreause
Member
Posts: 595
Post Re: canbus clarification (what can be pulled and which devices)
on: June 25, 2022 (GMT)

<div class=”quote”><p>Quote from surge on June 22, 2022
How much canbus information can Torque retrieve?
Can it pull most (or any) of the same info that a professional device that mechanics use?

Are the OBDLink devices the only devices that can read canbus?
from this list
https://wiki.torque-bhp.com/view/Bluetooth_Adapters</p></div&gt;

there is canbus and there is OBDII

torque works mostly with the OBDII standard …since it is…standard lol

most basic stuff is accesible …but it varies by car …

if you have the know how or specific adress you can create a custom PID to have access to a car specific adress and data

and then there is a new option you can see all the data on the can bus… and take what you need … but this one is also tricky and most car now have bridge to prevent you to have direct access to the bus

this bridge is to prevent car thief and hacking if i remember correctly

personnaly i have a obdlink MX and it’s a charm with ford product and probably other

since it can access more than one can bus

cheap one will only access high speed bus… the engine data bus

but obdlink can acces the medium speed bus (that is high speed now anyway lol) so you have access to all the internal data

i can monitor and record my seatbelt status ….just in case lol yes officer i had my seat belt

obdlink also have some advantage if you leave them in the car all the time , they have some deepsleep setting to prevent battery drainage

i also tested the LX, the WIFI …

i also bought a cheap elm 327 ….worked fine….until it died lol

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