03C 906 016 DG (MED17.5.5) table setup pinout ?

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Topic: 03C 906 016 DG (MED17.5.5) table setup pinout ? (Read 266 times)

H2Deetoo

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	03C 906 016 DG (MED17.5.5) table setup pinout ? « on: March 30, 2025, 04:24:39 AM »

Hi everyone,

I tried to make a table setup to communicate with an ecu 03C 906 016 DG which is MED17.5.5 using the pinout info I found online.
Unfortunately I was not able to communicate with the ecu, it would not even start broadcasting canbus messages.

Does anyone here have the correct pinout for this ecu?

Regards,
H2Deetoo


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terok

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	Re: 03C 906 016 DG (MED17.5.5) table setup pinout ? « Reply #1 on: March 31, 2025, 01:09:11 AM »

Pin 1 and 2 = gnd
Pin 3 and 5 = 12V Kl.87 (from main relay)
Pin 67 = CAN low
Pin 68 = CAN high
Pin 87 = 12v Kl.15 (ignition)
Pin 92 = 12v Kl.30 (continuous)

Pin 69 = main relay control, if you want to use it.

Taken from Golf 6 CAXA schematic.


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H2Deetoo

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	Re: 03C 906 016 DG (MED17.5.5) table setup pinout ? « Reply #2 on: March 31, 2025, 01:55:07 AM »

Thank you for this info.

I have seen to have found my problem though, apparently I was messing with a piggyback ecu module instead of the real ecu.
This is the first time I have seen or heard of such piggyback ecu, this one is from ABT.
So it seems this car is "tuned" already using this piggyback system.

Thanks again,
H2Deetoo


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