RD4 / RD45

Moderator: RichardW

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Revised Easydiagnostics Discount Procedure

by GiveMeABreak » 03 May 2018, 17:22 » in Forum News, Announcements and Issues

Please note that there is a new procedure in place for members wishing to take advantage of a 15% discount off products from Easydiagnostics.

The old discount code that was entered into the checkout is no longer valid, as a result of the code being propagated over the Internet.

After discussions with Jim from ED today, we have agreed a new...

Replies: 0
Views: 988

Last post by GiveMeABreak
03 May 2018, 17:22
Member Email Addresses

by GiveMeABreak » 13 Oct 2017, 18:06 » in Forum News, Announcements and Issues

To All Members

Members are kindly requested to check their profiles to see if their email addresses are current and please update these where necessary.

Some of our members have noted that email sent to others on the forum are bouncing back as unrecognised. We appreciate that people change their email providers / addresses over time and don't...

Replies: 0
Views: 1895

Last post by GiveMeABreak
13 Oct 2017, 18:06

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RD4 Pinout

by lancia58 » 05 Oct 2018, 18:32

First post

Hi

Anybody has the pin-out of the back connector of an RD4 head unit

Thanks

Last post

This is one I have, but it's from the C5. I'm not sure if the C4 will be different.

IMG_2965.PNG

Replies: 5
Views: 37

Last post by EDC5
05 Oct 2018, 20:16
C4 VTS - How to upgrade to RD4

by lancia58 » 04 Oct 2018, 10:10

First post

I have a Citroen C4 VTS make year 2006, that has screen C. I consider to upgrade the screen C to RD4 unit , do you know what parts should I collect to do that ( but the head unit, LCD screen and its frame ) , I guess I have to change the harnesses , what is the cat numbers of the harnesses and harness routing diagram . Any more information is...

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I won’t use Aliexpress so cannot advise about them.

As for the last link, no. That is RT3 System and needs the larger scree. It does not support Bluetooth or USB, so forget that one it is even older.

Replies: 11
Views: 58

Last post by GiveMeABreak
04 Oct 2018, 21:02
Sluggish RDS

by RichardW » 02 Oct 2018, 20:27

First post

The RDS on the radio (RD4) in my 3008 is not keen on re-tuning to another station. The RDS is working as it picks up the station and the RDS text comes through, and alternative frequencies is turned on, but it almost never changes frequency. Is this a 'feature' - never a problem in the similar units in the 307 or C4 Picasso so I think not? Aerial...

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Do you know if the radio has (ever) had its firmware updated? This sounds like just the sort of thing that could be cured by an update. I don't know for sure if there's an update, I'm just fishing!

Replies: 1
Views: 12

Last post by Paul-R
02 Oct 2018, 20:41
RD45 questions + Microphone installation C5 X7 + Amplifier installation

by EDC5 » 01 Jul 2017, 22:02
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First post

Hi there, long time lurker, first time poster!

So I have replaced the RD4 in my '58' C5 with a RD45 (from a DS3), I used my Lexia to activate the fader for rear speakers and also activated the parking assistance etc.

My first question is about installing the microphone for the hands-free. I have removed the roof console an identified a two way...

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The Bluetooth module is incorporated into the RD45 unit itself. Once you hVe the head unit and multifunction screen coded properly, with the correct options, you just need to pair the phone with the head unit. The details should be in the handbook.
Replies: 187
Views: 9032

Last post by GiveMeABreak
27 Sep 2018, 20:20
2006 Citroen C5 audio system

by Takshaka » 03 Aug 2018, 17:54
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First post

I have just bought a 2006 Citroen C5 1.6HDi 16v VTR estate and I am trying to figure out if there is a way to hook up an aux connection or a bluetooth connection (I don't have an owners handbook). I really only want to be able to play audio from my phone or tablet and be able to change the volume, not concerned about being able to change tracks...

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Modern cars especially PSA vehicles have complex electronic data networks that connect all the various electronic control units (ECUs). The main computer controls these units by sending digital data signals through the different networks. They can can stay on for a while after the vehicle is switched off and locked. Normally, they shut themselves...
Replies: 17
Views: 234

Last post by GiveMeABreak
20 Aug 2018, 21:10
Pioneer Stereo installation

by kamz58 » 11 Jul 2018, 19:33

First post

Hi Guys,

I have a 2007 C5 VTR 2.0HDI and I am looking to install this Pioneer unit.

My car currently has a single CD unit, photo attached.
I am really struggling to understand which connectors/adapters will I need to install it as I want to keep all the steering stalk controls and also the controls for the little display beneath the...

Last post

Yatour bluetooth box works also as bluetooth handsfree. So if you can use phone as source, then it's quite good option. Personally I haven't used Yatours handsfree function because NaviDrive has got it's own bluetooth handsfree so cannot tell exactly how good it is to use.

Replies: 5
Views: 84

Last post by Xantippa
13 Jul 2018, 11:04
RD45 install - can't update VIN / no communication

by wurlycorner » 27 May 2018, 09:14
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First post

Hi all

Sorry not been active, I've had an awful lot on my plate the last few months, most of it not happy.

Anyway, need some help please. Last night I tried to upgrade the stereo in my (now ex :( ) gf's C2 to an RD45 and it wasn't playing.
Installed the new (type C) display screen from a DS3 and that worked fine plug-play (nb: I've just realised...

Last post

Nope, Not some that - will add that to the list for next time :D
Thank you!
Replies: 19
Views: 457

Last post by wurlycorner
29 May 2018, 16:10
Dispatch / Expert RD4 Radio

by RPWC » 29 Jan 2018, 19:29

First post

Ok I know this may be a security related question, so if hecessary, can someone pm the answer if its something not to made publc. Is it easy to remove the radio? When I eventually get aother of these vans, I want to put my own radio in, which is better than the standard factory fitted item.

Last post

Many thanks for that Marc

Replies: 6
Views: 309

Last post by RPWC
08 Apr 2018, 17:40
C5 RD4 upgrade options bewilderment

by MikeT » 22 Jul 2017, 14:09
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First post

Like many before me I'm interested to know what options I have, as the lack of mp3 capability is unforgiveable for a 2005 model imo.

I've seen what looks like my RD4 but also has MP3 capability but wonder if there's something better that's also a straight swap and retains all the integrated functions (steering wheel controls, menu selections,...

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I am trying to send messages to a couple of members who are near me but my messages are sitting in the outbox for some reason.

That's normal and shows they're waiting for the recipient to read them, which will then move them to the SENT folder.

Never knew that lol. I thought may be its a restriction of some kind
Replies: 41
Views: 1763

Last post by kamz58
16 Dec 2017, 00:26
Is upgrading RD43 to RD45 feasible?

by patriotbarrow » 18 Sep 2017, 12:22
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First post

Hello all,

I have recently become the very happy owner of a 2009 Citroen C3 Picasso which comes with what research suggests is the RD43 head unit ( has USB/AUX; I haven't yet removed the unit to confirm). However, I would really like to have bluetooth functionality for handsfree calling and I know the RD45 is capable of such witchcraft.

I have...

Last post

I've now split the Electrochrome Mirror topic off into it's own thread on the Citroen Forum here:
Replies: 29
Views: 1265

Last post by GiveMeABreak
30 Sep 2017, 12:08

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