Pecky's Vauxhall Decoder

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  1. #21
    Member berrynice's Avatar
    Join Date
    Apr 2017
    Location
    Lisbon
    Posts
    8
    Vehicle
    Astra H 1.3 CDTI
    Yes, just need some samples of the MSCAN channel, so I can study the handshake between the devices and the way the the DAB45 tells the radio it's receiving a good signal (it's probably a continuous stream of data).


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    • #22
      Member Jan98's Avatar
      Join Date
      Aug 2021
      Location
      Berlin
      Posts
      3
      Vehicle
      Vectra C
      Iīd like to reopen this thread, as I am trying to build a DAB emulator to open the CDC40 DAB pins for an AUX connection.

      Iīve figured that the CAN message IDs 0x562 and 0x563 on the MS CAN do the communication between the CDC40 and the DAB 45 module. However, I am stuck at the point that there is no DAB station any more in my country (all DAB+), so the CDC40 will not activate the DAB inputs.

      Can anyone help with a CAN capture of these two IDs (0x562 and 0x563) while receiving a DAB station? Or even better, including switching to another DAB station?

    • #23
      Member Jan98's Avatar
      Join Date
      Aug 2021
      Location
      Berlin
      Posts
      3
      Vehicle
      Vectra C
      Anyone who can help?

    • #24
      VIP robb678's Avatar
      Join Date
      Aug 2021
      Location
      Ireland
      Posts
      11
      Vehicle
      Astra H Mk5 1.4 2007
      Same in here in Ireland, DAB (not DAB+) broadcasting ended in March which was limited here anyway, also in rural areas was almost not a chance to receive any DABs in cars anyway.
      It would be great if somebody would be able to finish this emulator project or at least find the way to cheat DAB45 so it will not mute dab aux. I know that there is an other option to create aux in by using ph pins with combination of tel mute pin from back of the cdc40 and using switch to ground a tel mute which will create switchable aux in, i just find some cd30 and even cdc40 aux in on youtube, but they are not in english, but the circuit looks straight forward. Didn't tried yet myself, still waiting for eeprom programmer and vaux-com to get dumps and get security codes. Purchased DAB45 module as well, but seems to me now that this was a waste of money, because without dab reception, module will keep dab aux ins muted and without emulator or cheating sequence it will be useless...

    • #25
      Member Jan98's Avatar
      Join Date
      Aug 2021
      Location
      Berlin
      Posts
      3
      Vehicle
      Vectra C
      Apparently, the UK seems to be the only country in Europe that still has active DAB stations, so seems like we are dependent on somebody from the UK to help us with a CAN trace of the DAB45 module communication. With such a trace, an emulator shouldnīt be too difficult, but without it we donīt have a chance.

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This site was created by Pecky to act as a knowledge base of useful information regarding Vauxhall cars.
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