Peugeot 406 display and audio prob.

Honest John Back Room » Technical matters
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Wed 29 Dec 2004 22:13
Peugeot 406 display and audio prob. - kh904
Hi, it's gonna be a long post, so sit back.

I've replaced my multifunction display unit on my 2000 (X) Peugeot 406 coupe (without Sat Nav). The actual lcd was faulty, so I bought one from ebay (of a V reg 406 glx estate) and installed it. Everything seemed fine- the stalk controls worked, as did the radio and tape. But when I select the (Standard boot) CD multi-changer, nothing - It wouldn't recognise it.
So I exchanged it for another one (from a standard 406 coupe 2001). Installed it, and that seemed O.K., it recognises the cd changer, until I tried operating the stalk controls. Now it doesn't recognise that.

I had to swallow almost £100, on a new one from a main Peugeot dealer.

They took my VIN number and looked it up on their computer parts system, and ordered a new unit (part no. 6155.P8).

I installed the new unit, and to my annoyance, it had the same problem as with my first replacement unit- it wouldn't recognise the cd changer.

So I went back to the dealer and told them my problem. They said it was the correct unit, and the problem of the cd changer
may be due to the BSI (the brain of the multiplex wiring system).
They said it will cost about £50 for a diagnostics check. At that point I couldn't be bothered so I left. (Got a refund on the display unit)
So now I'm back with the unit which doesn't respond to the stalk controls.

So my questions:

Anyone know why my stalk controls/cd changer isn't recognised, and
Is there a simple/cheap way to solve it?

Does anyone happen to know the difference between 6155P8 (up to
build code 09001) and 6155Q8 (from build code 09002), or 6155.N8?

Did I actually receive the correct unit, and I do have a problem with the BSI.
Has anyone had a diagnostics check done (does £50 sound about
right)?
-Would they be able to reprogram the display unit/BSI so it would recognise the stalk controls?

P.s. When I put back the original display unit, all the functions work as usual (the actual lcd is broken).

Told you it was a long post!

A really annoyed owner
P.S. Happy X-mas
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