No Communication EMU Black to TCU

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E46_LS3
Posts: 9
Joined: 14 Dec 2021, 14:42

No Communication EMU Black to TCU

Post by E46_LS3 »

When we try to monitor communication between the EMU Black and TCU it does not talk to each other. If i sniff the CAN, i see only data going from EMU Black on adresses 0x600-0x607 but no communication from TCU.
Please tell me how we can fix it.
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e83 s54 8hp
Posts: 17
Joined: 18 Aug 2021, 17:25

Re: No Communication EMU Black to TCU

Post by e83 s54 8hp »

Maybe TCU is setup to read only? I've got like that, to not throwing fault code about "incorrect variant coding"
Jar
Posts: 139
Joined: 18 Aug 2021, 21:00

Re: No Communication EMU Black to TCU

Post by Jar »

Hello. In the picture you can see that you have set "CAN SPEED" to value 4. value 4 means communication 1mbps. for sure this is the communication speed you have set in EMU black? If you have a BMW e46 as in your nickname, if you use serial dash on the CAN bus, you should have 500kbps communication.
E46_LS3
Posts: 9
Joined: 14 Dec 2021, 14:42

Re: No Communication EMU Black to TCU

Post by E46_LS3 »

We have 1Mbps set everywhere. Ecumaster, TCU, ADU Dash
Emu.png
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E46_LS3
Posts: 9
Joined: 14 Dec 2021, 14:42

Re: No Communication EMU Black to TCU

Post by E46_LS3 »

Many thanks to Lukas for online help ! Everything is working 100%. We solved everything.
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