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Can bus question.

Posted: Tue Jul 14, 2026 4:39 pm
by LittleH
Building a custom digital cluster.

I've read the manual about the can outputs.
and have the ids and description the question is do we have the CEL or any codes available via CAN

For codes not really necessary but would like to know if for whatever reason CEL is open , I can wire it to an LED or keep the stock bezel with the stock lights (leaning towards that) , but wondering if could that be a thing.

I know in the mobile app you can see the codes and also clear them.

Everything else at least should be fine even the fuel level to wire it in the analog input , but CEL is also quite important.

Thanks in advance - J

Re: Can bus question.

Posted: Tue Jul 14, 2026 4:54 pm
by LittleH
So I am dumb :P , I just saw the Serial Output Format , so the MIL does indeed exist on Bit 3 on the Input bitfield

Is there anyway to retrieve the codes via the MIL or somehow like in the app?

Re: Can bus question.

Posted: Thu Jul 16, 2026 9:03 am
by Spunkster
No, the codes themselves are not transmitted via CAN.

Re: Can bus question.

Posted: Mon Jul 20, 2026 6:09 am
by LittleH
is there any way to get the codes via the s300 ? at all?

Thank you in advance!

Re: Can bus question.

Posted: Mon Jul 20, 2026 9:12 am
by Spunkster
You can either use the mobile app, or datalog directly using SManager.