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Main beam on permanent - BSI?
(01-03-2021, 09:03 PM)ear4che Wrote:  
(01-03-2021, 08:23 PM)Zion Wrote:  I'll leave our resident comm2000 investigator to answer on the variety of those.....@Rasputin....

BSI units can't be swapped, unless virginised first and then need recoded to your car and its equipment options using DiagBox. That's also where your key immobiliser lives so can't just be swapped from a breaker in afraid.

If desperate, try pulling the SHHS link for 15 minutes and see if it resolves the problem. Can't drive around with the high beams on?

If you have no fancy extras like auto AC, ESP, Rain sensors etc, you probably wouldn't notice much difference if any, from a reset BSI using the hard link. Worth a try.

I don't know what or where the SHHS link is.

It would be great if you could point me in the direction of BSI hard reset, I've not much to lose


I posted it above, you have to pull the BSI down on its hinges (above the pedals on the M59) and the link to pull is in the picture I posted:
My Van: 2012 B9 1.6 HDi Enterprise
(01-03-2021, 09:37 PM)Rasputin Wrote:  I am no expert on com2000s honest! All I can add is that there seem to be hundreds of part numbers for what seems to be the same thing in basic terms - a box of tricks which mounts to the column behind the steering wheel, and from which between two and four stalks stick out.

At the same time, you will find similar and even identical units used across most models in both the Peugeot and Citroen ranges.

Some say that you can swap any for any other; I think there seem to be general updates made every few years (look for com2000, com2003, com2005 etc marked somewhere on it - it is moulded into the back of the unit in the attached photos if you look closely). But whether you can swap freely within each update, or even willy nilly between updates, or must only stick to the same part no. as your original unit, I don't yet know.

What is surprising is that you seem to have removed the indicator switch. It is part of the com2000 unit, as is the wiper switch at top right, and neither should in theory be removable alone, so I have to wonder what exactly you did and whether it caused any damage. Can you post up some photos?

There are a number of Youtube vids showing people dismantling their com2000 in order to repair their indicator or wiper switches; search for 'Citroen / Peugeot wiper / indicator / lights switch'.

There are also several earlier threads on the subject on this forum, so search for those too.

The lower two switch arms are optional and can simply be plugged and unplugged, so did you by chance unplug one of them by mistake? They are for trip meter / cruise control, and for audio control. They do need to programmed with Diagbox as well though.

The com2000 is not merely a junction box used for connecting the switches to the car; it is a complex unit including its own microprocessor, which the switches connect to, then the processor relays its own instructions to the BSI. So if you did manage to remove some switches and then did power the car up with them removed, you could have done damage to the com2000's processor at a guess. Certainly IMHO the failure of BSI resets to cure the problem does suggest that it is localised, possibly to the com2000.

com2000s come up often on eBay and are not expensive - usually around £30-50. I'd suggest you remove your steering column shrouds to reveal the sticker on your com2000 which contains its specific part number (see 2 example photos of the front and top of one) and then do an online search for a replacement, not just on eBay. Swapping it over involves removing the steering wheel, which in turn involves removing its airbag, so make sure you brush up on the right and safe way to do that.

Thanks for your help, Rasputin, I already removed the airbag and wheel, so I could remove the stalk unit. I dismantled it to replace the switch and now realise I shouldn't have powered it up with bits missing.

I will look for a replacement, and also the this BSI reset using hard link.

I don't know what photos I could send... The unit opens up and the indicator stalk is connected with a detachable ribbon, seemed straight forward, also the stalks are available individually.
Well at least you removed the com2000 and then dismantled it, so you did get it more than half right. I thought you had 'unplugged' the stalk without even removing the steering wheel, which would mean snapping it off!

Try a replacement stalk first - problems with contacts inside them are very common and could be your issue, especially as contacts for both lights and indicators are in the same stalk. But make sure you get the right one. There are many variations especially with the light controls, so study photos of the ends of the stalks very carefully.

See especially for example other threads such as this one from saskak:

If replacing the stalk doesn't work then the damage may be in the com2000 itself.
Current: 2003 1.4i MS MPV - Lucifer Red
Prev: 2003 1.6 MS Desire - Bile Blue
The SH/HS link reset didn't do anything either,
I've found a chap in Manchester (advertising on ebay) who claims to repair them or advise, I will speak with him today.

Thanks again for all your help, good people.,
Ok, let us know the outcome? I guess something is fried so will be interesting to find out what happens next.

Best of luck mate.
My Van: 2012 B9 1.6 HDi Enterprise

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