citroen c8 blaupunkt rd4 radio aux input

This unit is the RD4 or RD45 system, made by Continental.
Usually standard equipment unless another system is specified as an option. There are Single & Dual Tuner versions. RD45 features over the RD4: The RD45 has USB connectivity & integrated Bluetooth module supporting Phone & Audio Streaming.

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shahidocean
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citroen c8 blaupunkt rd4 radio aux input

Unread post by shahidocean »

guys
i have bought an aux cable and connected it to the back of the radio.
it didn't work apparently i have to use the obd port and menu selection cd & aux 1 to enable the aux.

I was looking for a obd2 cable to usb and get hold of diagbox to do it.
But i just messaged this guy https://www.ebay.co.uk/itm/122026499846?ul_noapp=true
and he told me that this won't work with diagbox.

Anybody know which cable or software i will need.

cheers

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GiveMeABreak
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Re: citroen c8 blaupunkt rd4 radio aux input

Unread post by GiveMeABreak »

You’ve got it all mixed up by the sounds of it.

Basically what you need to do is enable the CD Changer port on the Head Unit. This was for the optional CD Changer.

To do that you will need to get somebody with a Lexia or Diagbox diagnostic kit to enable this for you as the Head Unit ECU has to have the CD Changer parameter enabled.

There’s no such thing as an OBD to USB cable.

The OBD port is what the diagnostic kit uses to talk to the car in order to change the option above.

Remember the CD port can only mimic functions of a CD Changer.

shahidocean
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Joined: 29 Jan 2012, 00:24
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Re: citroen c8 blaupunkt rd4 radio aux input

Unread post by shahidocean »

thanks for the response Marc
this is what I'm trying to do



I was under the impression that i could get a cable that plugs from the obd2 port to USB on the laptop and run diagbox/lexia on that ?
I have that CD changer cable plugged in now just want to do the other part ?
Last edited by myglaren on 29 Aug 2019, 22:28, edited 1 time in total.
Reason: YouTube link

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GiveMeABreak
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Re: citroen c8 blaupunkt rd4 radio aux input

Unread post by GiveMeABreak »

Yes, got, that, but these are 2 separate things. You can do the first part, but you need a laptop, diagnostics kit and the software and the knowledge to be able to change the setting.

Have a look at the Lexia owners on this site to see if there is somebody who will enable the option for you:

https://www.frenchcarforum.co.uk/forum/ ... hp?t=56452

There is a map at the end of the post showing the member locations on a Google map.

shahidocean
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Joined: 29 Jan 2012, 00:24
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Re: citroen c8 blaupunkt rd4 radio aux input

Unread post by shahidocean »

cheers Marc
that's very helpful indeed there is a guy fairly close to me i'll msg him
best regards

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GiveMeABreak
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Re: citroen c8 blaupunkt rd4 radio aux input

Unread post by GiveMeABreak »

Ok, just remember not all members are active on the Forum all the time, but fingers crossed.

The option will be in the Head Unit RD4 ECU.