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Sunroof open during Downpour

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Old Jul 22nd, 2017, 22:18   #11
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Originally Posted by Lexman8 View Post
Pretty much everything on this car is controlled by ECUs connected over networks. In older cars turning off the ignition switch literally cut the power to most systems but this is no longer true. Turning off the ignition these days is really telling a shed-load of ECUs to power off or go to sleep. It's when they don't do this that problems can arise; a good example is battery drain where a system doesn't go to sleep but just keeps on drawing power.

Good luck getting it dried out. I actually don't think it'll cause any long term issues.
_
I had a BMW X5 that had a computer that invariably woke up and drained the battery at a certain railway station car park and random other places. It had something to do with radio frequencies used by something nearby I think.
I changed that car for a Range Rover with basically the same electronics but by that time they had got to the bottom of whatever was the issue and I never had a problem with it.

So this kind of thing is nothing new. Its been going on for the last 15 years or more. My Land Cruiser Amazon bristles with body, chassis and engine management computers, all communicating with each other, and that is all of 19 years old.
I have a far more sophisticated tractor made in 2004 that has an amazing control system with CAN-bus that I'm not going to bore anyone with other than to say that virtually everything that you can't start to imagine is monitored, displayed in several places, interlaced and very customisable by the driver to an extent that makes the Volvo seem almost primitive. The only thing it lacks is a touchscreen which is obviously fitted to current models along with auto steering and millimetre accuracy sat-nav.
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Old Jul 22nd, 2017, 23:13   #12
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Originally Posted by Quacker View Post
I had a BMW X5 that had a computer that invariably woke up and drained the battery at a certain railway station car park and random other places. It had something to do with radio frequencies used by something nearby I think.
I changed that car for a Range Rover with basically the same electronics but by that time they had got to the bottom of whatever was the issue and I never had a problem with it.

So this kind of thing is nothing new. Its been going on for the last 15 years or more. My Land Cruiser Amazon bristles with body, chassis and engine management computers, all communicating with each other, and that is all of 19 years old.
I have a far more sophisticated tractor made in 2004 that has an amazing control system with CAN-bus that I'm not going to bore anyone with other than to say that virtually everything that you can't start to imagine is monitored, displayed in several places, interlaced and very customisable by the driver to an extent that makes the Volvo seem almost primitive. The only thing it lacks is a touchscreen which is obviously fitted to current models along with auto steering and millimetre accuracy sat-nav.
Those tractors/satnav rigs are amazing, I used to work in the agraculture chemical Industry (Nitram fertilizer) and we analysed farm field soil and the data was fed into these machines and satnav puts the fertilizer where it was required and not where soil has retained Nitrgen. As you say pinpoint accuracy.
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Old Jul 22nd, 2017, 23:52   #13
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Those tractors/satnav rigs are amazing, I used to work in the agraculture chemical Industry (Nitram fertilizer) and we analysed farm field soil and the data was fed into these machines and satnav puts the fertilizer where it was required and not where soil has retained Nitrgen. As you say pinpoint accuracy.
ICI Billingham?
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Old Jul 23rd, 2017, 01:49   #14
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ICI Billingham?
Yes but only for 38 years.
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Old Jul 23rd, 2017, 09:46   #15
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Took car for good hour run with full aircon. Everything seems to be working fine.

Thanks to those who provided the helpful and constructive comments.
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Old Jul 23rd, 2017, 10:01   #16
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itl be interesting to see if any more problems occur with roof on other cars .i know they did ley in water at osr on early models and there was a modification
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Old Jul 23rd, 2017, 10:49   #17
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It is easy to forget about the sunroof being left in tilt position, I have left mine like that on a hot day while going into a supermarket and when I came out the sun blind was closed (as it does if heat in car gets too high) because of this I forgot about the sunroof still being open, it was not until the next day that I noticed it open, luckily it did not rain.
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Old Jul 23rd, 2017, 11:02   #18
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Daft question, but do you not get a warning when the sunroof is open?
We get warnings when the bonnet, any of the passengers and tail gate doors are open.

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Old Jul 23rd, 2017, 11:20   #19
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It is easy to forget about the sunroof being left in tilt position, I have left mine like that on a hot day while going into a supermarket and when I came out the sun blind was closed (as it does if heat in car gets too high) because of this I forgot about the sunroof still being open, it was not until the next day that I noticed it open, luckily it did not rain.
Agree, but I never use the sunroof, do not see the point when you have aircon, would have preferred a fixed pano roof. There is a chance I suppose that it could have opened when I have opened or closed the blind, but I would have thought I would have noticed the noise when travelling. Does not explain how the blind shut itself in heavy rain though.
If it was me then that is good as it is not an underlying issue that may happen again and I will be keeping an eye on it.
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Old Jul 23rd, 2017, 11:26   #20
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Daft question, but do you not get a warning when the sunroof is open?
We get warnings when the bonnet, any of the passengers and tail gate doors are open.

tem.
Not aware of any warning Tem.
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