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BarrowBoy
Newbie


Joined: 24 Oct 2008
Posts: 34



PostPosted: Wed Aug 31, 2016 4:14 pm    Post subject: Cayenne Dim Dash Reply with quote

My 2005 Cayenne Turbo main instrument panel has suddenly gone dim...at night you can see the menus etc & adjusting the instrument brilliance does affect it, however during the daytime I cannot see anything.

The car is kept in the Middle East where temperatures regularly reach 50 degrees, this occurred whilst the car was standing outside waiting for a new Aircon compressor to be fitted. The garage said maybe someone had adjusted the brilliance or the heat may have caused the issue....is there a setting that could have caused this...is there anything I can do or is it a dash out scenario to have the fault remedied?

I have seen on other websites problems with cold weather but not when its hot.

Any ideas appreciated

Thanks

Paul
 
  
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3343
Location: Sussex


PostPosted: Thu Sep 01, 2016 9:05 pm    Post subject: Reply with quote

If you alter the dimmer switch at night and it gets brighter then logically the system is working .. im thinking perhaps the bulb is old and not as bright as it once was .. in other words a new display bulb is required .


Only adjustment im aware of is this ..

http://www.manualslib.com/manual/803960/Porsche-Cayenne.html?page=120
 
  
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BarrowBoy
Newbie


Joined: 24 Oct 2008
Posts: 34



PostPosted: Thu Sep 08, 2016 1:56 pm    Post subject: Reply with quote

Hi Demort,

Looking on the internet it seems it is one of two possibilities (Both common faults). Either the voltage transformer or the LCD display screen. I suspect the changing in brilliance is probably just peripheral light from the other instruments.

I ran though all the menus in the dark & all is working fine so looks like its a dash out repair probably of the LCD screen which includes the backlighting. Unfortunately there seem to be plenty of people on eBay etc. offering the Mono screens (Cayenne S & Toureg) but not the colour version for the Turbo.

If anyone knows where I can get a colour LCD I would appreciate it.

Many thanks in advance
 
  
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