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Thread: 5F (Discover Pro Gen2) coding Comfort Telephone (Qi charger + signal booster)

  1. #21
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    I have replaced the antenna with the OEM (supposed to go behind rear bumper), 5GE 035 534, and the error immediately cleared out.

    I also have confirmed that the forward storage compartment is different when the wireless charging baseplate is fitted. at the moment I have no interest in retrofitting that.
    my Golf came out of the factory with 13 ECUs. now she has 19. and counting

  2. #22
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    I switched to the shark fin GSM antenna and all is good, no errors.
    my Golf came out of the factory with 13 ECUs. now she has 19. and counting

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  4. #23
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    I too completed my sharkfin antenna retrofit and now the "invisible" DTC in Discover Media is gone.

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  6. #24
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    I believe the OEM antennas are phantom powered (DC voltage over the same antenna cable, that carries AC antenna signal) and the 5F measures the flowing current with the aid of the antenna amplifier.

    there is no other way for the radio to "know" the antenna is the wrong one.
    my Golf came out of the factory with 13 ECUs. now she has 19. and counting

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  8. #25
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    Until this point, I never had any antenna connected to the GSM amp. Since my setup is modeled on the CC MY17, the only GSM antenna option is in the sharkfin. But now...anyone noticed any real benefit for the GSM baseplate? I have an iPhone 8 constantly connected through BT and it was reporting 2 bars of signal strenght (out of 6). I put the phone on the baseplate but no signal strenght improvement occurred. But I'm not dissapointed as this was kind of a "all boxes ticked" retrofit.

  9. #26
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    I don't see any better signal when putting the phone on the baseplate either.
    my Golf came out of the factory with 13 ECUs. now she has 19. and counting

  10. #27
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    Quote Originally Posted by darkchina811 View Post
    I believe the OEM antennas are phantom powered (DC voltage over the same antenna cable, that carries AC antenna signal) and the 5F measures the flowing current with the aid of the antenna amplifier.

    there is no other way for the radio to "know" the antenna is the wrong one.
    There is an amplifier in between 5F and the outside antenna, which is definitely connected to 5F. And im not talking about the power/ground for the amplifier. The baseplate is on this same wire so i think its a local bus.
    Current:
    2018 Tiguan AD Highline 2.0 BiTDI 240hp > Stage 1+ 328hp
    2016 Polo 6C Highline 1.0 TSI 105hp

  11. #28
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    i am trying the same retrofitting.(Qi only no need for antenna) but so far no luck.
    i am trying to test if the interface is working. Do you need to have pin 2 and 3 connected to work or can i try without them?
    what about pin 5 my car have kessy can you leave it unplugged?
    thanks

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