Can BUS no connection

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Grecha
Posts: 2
Joined: 02 Aug 2021, 19:23

Can BUS no connection

Unread post by Grecha »

Hello, I own a Bipper 2008 1.4 Diesel.

After switching off engine and remove the key the dash stays on as if on ignition position. Plus gives airbag fault (almost every time) and fuel cutoff unavailable and temperature or fuel gauge stays in reading position and does not go to zero. Key locking does not work but if the van is locked via the door lock then the unlocking does work from the key. If battery terminal is removed and put back all faults disappear, ignition on and engine starts no problems.
But if this is not done, when putting in key and switch to ignition it beeps and shows check engine warning sign and engine coolant temp high. Engine starts no issues and all faults clear after that.

This started intermittently but now happens most of the time ~8 out of 10. Plugged in diagnostic but could not connect to can BUS, can BUS no connection error.
Any suggestions please. Thank you :-D
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Paul-R
Moderating Team
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Joined: 07 May 2009, 16:24
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Re: Can BUS no connection

Unread post by Paul-R »

First question - what diagnostic did you use?
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.

Inside every old person is a young person wondering what the hell happened.

"Trying is the first step towards failure" ~ Homer J Simpson
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GiveMeABreak
(Donor 2016)
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Joined: 15 Sep 2015, 19:38
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Re: Can BUS no connection

Unread post by GiveMeABreak »

Also, bear in mind this is essentially a FIAT Fiorino (the same as the Peugeot Bipper and Citroen Nemo). If you are using a Lexia or Peugeot Planet 2000 diagnostic software, you will need the S1279 add-on module for these vehicles as well as some of the commercial vehicles.
Please note, I'm no longer active on the Forum, so won't respond to messages.

Marc
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Grecha
Posts: 2
Joined: 02 Aug 2021, 19:23

Re: Can BUS no connection

Unread post by Grecha »

We are using Launch X431 Europad 2. The good news is that after another attempt it connected and gave the following faults:

P3100 fault in information transmitted by the built in system interface (BSI) value invalid - Permanent
P2200 fault in information transmitted by the built in system interface (BSI) value invalid - Intermittent
P0188 faulr CAN-C Bus Distant- Temporary

I belive that the CAN Bus fault is being caused by the BSI for some reason. Seems like the BSI is faulty. Any more ideas before starting to spend some money. Can this be fixed once removed or is it a definite replacement?

Thanks
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