Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4247
Did you have any issues with a previous trailer or do all of these issues stem from the new trailer with the led lights? I have an older LM106 if you wanted to hook your car to it and see if it’s all the trailer or if some of the issues are there whichever trailer.
PM me if that’s of interest ?
NigeI want to see the sweets before I get into your windowless van... I'm not stupid!
Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
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6th Jul 2021 6:57 pm
Russellg
Member Since: 24 Oct 2017
Location: Aberdeenshire
Posts: 48
Nice one, thanks Nige.
Appreciate the offer but we also have a couple of other standard filament trailers that proves the vehicle is working as intended.
Only the new IWT and a borrowed BJT 310 (both with full LEDS) lamps are invisible to the car.
The car is driving them fine, no hyperflash/strobing or unexpected behaviour, just not detecting them as being connected to the car.
Thankfully on todays run it wasn’t fogged, but equally I was towing today with a regular bulb trailer!
6th Jul 2021 7:14 pm
nigethecat
Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4247
It was a bit interesting driving yesterday from Huntly to the west coast you could have just done what half the muppets around Aberdeen did and had no lights on at all I want to see the sweets before I get into your windowless van... I'm not stupid!
Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)
6th Jul 2021 7:37 pm
Hanechdene
Member Since: 23 Jun 2009
Location: High Wycombe
Posts: 570
Russellg wrote:
Hanechdene wrote:
I have MY16 D4 from new and supplied with a fixed tow bar.
When a trailer is connected it does not disconnect the PDC regardless of the type of light bulbs in the trailer.
The other quirk it has is to engage the PDC as soon as you put it into neutral.
Following on from your PDC note above here is a photo of the display showing the rear PDC disabled when trailer is connected:-
Note the text on the left advising rear PDC not available with trailer etc.
Mine does not display that message when a trailer is connected.
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you could have just done what half the muppets around Aberdeen did and had no lights on at all 
