Diagnostics

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New Diagnostics Forum

by GiveMeABreak » 18 Mar 2018, 13:26 » in Forum News, Announcements and Issues

First post

Please note the new ' Diagnostics ' sub forum that has been added to the main page.

Diags-3.png

Link to New Diagnostic Forum

As some of you will be aware, we had merged all the Lexia & Diagbox related threads. This was kept in the Citroen technical forum. However because this topic has grown significantly over the years as the software and...

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Please note that if you want to see new posts from the Diagnostic Forum, you will need to SUBSCRIBE to the forum. Just scroll to the bottom of the page and click the Subscribe button.

This needs to be done because it is a new sub-forum, and therefore will not be in your existing subscriptions.

Replies: 2
Views: 490

Last post by GiveMeABreak
26 Mar 2018, 00:38
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: 915

Last post by GiveMeABreak
13 Oct 2017, 18:06
New Forum Post Bookmark feature

by xantia_v6 » 28 Sep 2017, 19:49 » in Forum News, Announcements and Issues

First post

You may notice a new Bookmarks button in the forum header and a bookmark icon: bookmark.png at the top of each forum post.

These are part of a post bookmarking extension that we are trialling. Please try it, and give us some feedback.

To bookmark a post (or delete the bookmark) just click the bookmark icon in the post. You may add a short...

Last post

You always could do that by opening another tab (Ctrl-click) or window (Shift-click) on the post's individual header and then copying the URL of that post. I've just checked and it still works.

Replies: 12
Views: 1249

Last post by Paul-R
05 Oct 2017, 09:24

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EOBD Fault Code Prefix

by GiveMeABreak » 30 Mar 2018, 13:52

Diagnostic Code Identifiers (SAE / EOBD Standards)

Here are the explanations of the make up of a diagnostic fault code Prefix:

First (Character) Identifies the Related System
P Powertrain
B Body
C Chassis
U Network
Second (Digit) Type of Code
0 Complies with EOBD Standard
1 Manufacturer Specific Enhanced
Third (Digit)...

Replies: 0
Views: 61

Last post by GiveMeABreak
30 Mar 2018, 13:52
Applying Diagbox Updates

by GiveMeABreak » 28 Mar 2018, 13:17

Diagbox V7 Update process

Always ensure you have a copy of your licence file from a working and activated Diagbox prior to performing any updates. Your licence file can be found at:
C:\AWROOT\BIN\FI\APPDIAG.SYS)

Ensure the Diagbox application is closed
Launch only the single update you want to install
Follow the instructions.
When the...

Replies: 0
Views: 73

Last post by GiveMeABreak
28 Mar 2018, 13:17
Diagbox Firmware Versions

by GiveMeABreak » 18 Mar 2018, 15:18

This intentionally only covers versions from 7.02 to 7.76:

DiagBox v7.02 needs 4.3.0
DiagBox v7.57 needs 4.3.2
DiagBox v7.58 needs 4.3.2
DiagBox v7.62 needs 4.3.3
DiagBox v7.66 needs 4.3.3
DiagBox v7.74 needs 4.3.3
DiagBox v7.76 needs 4.3.3

Replies: 0
Views: 105

Last post by GiveMeABreak
18 Mar 2018, 15:18
Merged Lexia & Diagbox threads

by Monkeyfeet » 22 Dec 2011, 10:09
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First post

Hi to all interested in buying a Lexia (I'm one)
Not sure if this has been linked to before but if the sellers' claims are true about PCB quality it might be interesting:

10% off would bring the price down competitively. BTW I'm no expert on Lexias whatsoever and I have no connection with this seller.

Last post

Please note that this Thread is now locked, as per this announcement:

Diagnostic Forum

Please create a separate post for any new queries if you cannot find the answer in this topic.
Replies: 1515
Views: 69312

Last post by GiveMeABreak
18 Mar 2018, 13:42
Did anyone have any problems buying a cheaper Lexia 3

by Rosanbo » 21 Apr 2018, 23:21

First post

I am thinking of getting a Lexia 3.

It would be good to have a sticky post on this board about what version is the latest version and what versions have gone before. And what year they changed. Pictures of the assembled article with leads and pictures of it connected to a car and being worked with. Explaining what leads come in the kits and what...

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Here is an example of a breakout harness: or

There have been dozens of them specialised for different models and functions, but as they are expensive and not often used, only a few dealers ever bought them. They occasionally come up for sale as models become obsolete.

Replies: 10
Views: 82

Last post by xantia_v6
Yesterday, 22:47
Alternative to Lexia / Generic Code Readers

by dave_xsara » Yesterday, 12:52

First post

Thanks.

I know most people here talk about Lexias in order to find faults. However, we have a number of more recent non PSA cars in the family and I was looking at getting a more modern code reader that would cover all as well as the Citroen.

Are there any recommended home mechanic tools out there that would cover most bases as well as the PSA...

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It really all depends on what you want to be able to achieve with a diagnostic tool.

If your main concern is reading and clearing faults, then there are plenty of generic code readers out there very cheaply priced. If you intend to undertake programming, actuator tests, certain procedures then you will need a more capable tool (and of course more...

Replies: 1
Views: 18

Last post by GiveMeABreak
Yesterday, 13:09
FAPLite

by Xantippa » 17 Mar 2018, 12:38
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First post

Has anyone here tried FAPlite -android software? Any recommendations on (preferably slim and cheap) bluetooth dongle that works with it?

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Got hold of the OBD adapter only to find FAPlite doesn't support my ECU.

I downloaded FAPlite not long ago and I'm pretty sure it listed all the ECU's supported in the description on the play store, so if you didn't check your car was supported then..... ?

None of these 3rd party solutions do everything that a Lexia 3 does so you'd always want...
Replies: 32
Views: 483

Last post by MikeT
14 Apr 2018, 11:22
Citroen c5(09 plate)

by Sandel27 » 14 Apr 2018, 05:12

First post

Hi all.I have bought this Citroen c5 and one week later I have a warning light(engine) in dash board telling me anti-pollution system faulty.should I take the car back?

Last post

Judge Rinder :shock: Dealt with just such a case this week, can't remember the detail now but it was about EML and DPF.

The second half of this, roll it forward to about 30 minutes, shut your eyes to the stupidity. You might have to sign up but it's free apart from the damned ads.

Replies: 3
Views: 33

Last post by Gibbo2286
14 Apr 2018, 11:08
C Crosser Diag Communication Problem

by bkod » 09 Apr 2018, 19:35

First post

Hello there.
I have a similar problem with lexia trying to cooperate with c-crosser... No dialogue with any of the ECUs at all... ELM327 can read faults no bother. Lexia works fine with C4. Google told me that c4 and c-crosser use a different transmission protocols. Any suggestions what to do? Look for a fault in c-crosser's diagnostic socket or...

Last post

Unfortunately new optocouplers haven't resolved remaining communication problems.
I will probably try to replace the relays with a set of decent ones.

Replies: 14
Views: 130

Last post by bkod
12 Apr 2018, 22:46
Diagbox 6.01 problems

by elsegoose » 02 Sep 2013, 03:57
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Hi All. Well after reading many threads, I am confused. I have installed Diagbox 6.01 in a laptop with XP running, then I had many troubles activating it. After about the 5th attempt I got a message "activation sucessful. I tried to run it in lexia mode on my Xantia, there was no dialogue with any ECU,s. I tried to run it on a new Peugeot...

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I have solved it. Myself.
I have found a file PSA Interface Checker Install by...guess who...starts with scary.. and if you start up Diagbox and then minimize it and run this program you can downgrade your reader temporary to a lower version (it will be upgraded again when you start Diagbox next time) - I had 4.3.0 and tested 4.1.6 and it worked...
Replies: 28
Views: 5606

Last post by nizzehult
12 Apr 2018, 18:36
Lexia codes help F408

by dumpvalve » 30 Mar 2018, 11:56

First post

Hello all . ive just scanned my 2.2hdi x7 as I have.. fuel flap access not properly locked on the dash. ive got the fault code F408 and it says , Fault Fuel Filler Cap Not Detected.. iv checked that I have both magnets in the cap and it does , so the question is whats the next step? has anyone tried just buying a new OEM cap from Citroen, remember...

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Hi there is no sensor on the x7 models.. What about just buying a new cap OEM cap

Replies: 9
Views: 84

Last post by dumpvalve
12 Apr 2018, 16:13
Lexia 3

by fastjet » 11 Apr 2018, 18:54

First post

Hi, could those with experience of Lexia 3 recommend one that is worth buying for home use?
Thanks.

Last post

You will also need a laptop running a 32b O/S (preferably XP or Windows 7) with 2GB RAM (any less and it will be somewhat slow!). Be aware that the Lexia software can be tricky to use (it was never designed for normal members of public to use, which also means there are no manuals on how to use it), and sometimes a bit flaky. However, it can be...

Replies: 3
Views: 42

Last post by Hell Razor5543
11 Apr 2018, 22:02
Update Diagbox version

by RichardW » 19 Mar 2018, 21:47
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Mine is only running 7.02 as it came. This won't talk to the new C4... Anyone got links to update files? And what was the story with saving the licence line to avoid having to re-install it?

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Annnnd....NO!!

Still nothing. There was in fact an error when starting Diagbox -'Apache server' stopped. I was ignoring this, as I used to get it on starting SEDRE, but it never seemed to do anything. However, perhaps this is something to do with why Diagbox won't play. I've now installed .net 3.5 SP1, and appear to be able to start Diagbox...
Replies: 15
Views: 206

Last post by RichardW
10 Apr 2018, 12:35
Regeneration on Lexia 3 for x7

by dumpvalve » 03 Apr 2018, 15:57

First post

Can anyone point me in the right direction regarding regeneration on a 2009 2.2hdi on lexia 3 .. C revision... I either can't be in the correct menu or it seems to say that lexia can't do a regeneration on a x7 model.. I really need to do a regeneration...

Last post

OK many thanks guys

Replies: 3
Views: 60

Last post by dumpvalve
03 Apr 2018, 21:34
P0420 code

by dumpvalve » 01 Apr 2018, 15:38

First post

Hello all I'm trying to track down my issue regarding the Fuel Access Flap Open on the dash , looking into this deeper after buying a Lexia 3 ive noticed today a P0420 code saying ..Differential Exhaust Pressure Signal.. when I look into the pull down menu it says , Particle Filter Overload, is this the DPF , or the Cat...

Thanks
Andy

Last post

If there are any fault codes associated with the emissions or engine, the Engine ECU probably will not allow it. This is so it can protect the engine and its components. A manual regeneration takes a toll on the engine and is not recommended very often, as it really shouldn’t be needed with the additive system, so long as the vehicle is not...

Replies: 5
Views: 80

Last post by GiveMeABreak
02 Apr 2018, 21:57
Getting the hang of Diagbox

by TaximanRonnie » 24 Mar 2018, 22:32
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Hi, new to the forum and just purchased a copy of Diagbox. Eventually managed to get it all loaded and working on an old laptop running Windows XP so will be more or less standalone in that respect. Have had it connected to my C5 Estate 163 Nav 2010, found it worked under the X7 variant. Came up with a shed load of fault codes, some I knew about...

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Hi Ronnie, yes Diagbox works fine with Windows 7 - That's what I use all the time. Again, make sure you take a copy of your licence file once installed as it will likely be different for the partition on which you install it.

As for the post 7.62 versions, there has been incremental loss of telecoding features, as PSA move more and more to...
Replies: 18
Views: 211

Last post by GiveMeABreak
02 Apr 2018, 13:08
Odd onscreen Messages + Fault code

by Sloppysod » 01 Apr 2018, 12:24

First post

Hi,
I have just finished servicing the C5 and and got two on-screen messages, do they mean I have an issue with my software or............?

Invalid SOAP message or SOAP version Mismatch - Id600-M-NOT-Found & id0205-M-NOT-FOUND, id601-m-NOT-FOUND.
Error.jpg
Also, am I right in thinking that this error is because the car is stationary, just...

Last post

Cheers, Marc, bit confusing as the wifi is not connected, my garage is too far away from my router, but as long a it is nothing serious I am happy.

Replies: 2
Views: 56

Last post by Sloppysod
01 Apr 2018, 13:59
Lexia unable to communicate with ECUs

by sonoramicommando » 19 Mar 2018, 07:22
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Carrying on from here:

So basically it does not communicates with any control units other than injection and suspension. (The car is 2006 C6). Tried pretty much everything. The thing is it worked before a service visit to a (useless) dealer. Now it doesn't.
The following is what PSA interface checker says:

The only possibility I can think of...

Last post

I did visually inspect the VCI innards and it looked ok (I'm an electronics dummy but I think I can spot bad solders).
I've been meaning to test out it on someone else's car - there is a 405 I can try it on, but it's some distance away so I just need to get around to it. There is another fellow with a 207 but he doesn't trust me with it... :(
Replies: 16
Views: 224

Last post by sonoramicommando
30 Mar 2018, 10:34
VCI

by Gibbo2286 » 24 Mar 2018, 17:35

First post

Is this 'full chip'?

Last post

The lack of the 10k resistor is known to cause communication issues with CAN systems (depending on model), but there are a stack of chips, relays and Optocouplers that are not found in the full kits - something the Chinese makers did to reduce costs - which is often why they are much cheaper that the full kits. It becomes more of a problem on...

Replies: 10
Views: 130

Last post by GiveMeABreak
26 Mar 2018, 17:41

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