2010 C5 X7 Clock losing time!

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GavinPJ
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2010 C5 X7 Clock losing time!

Post by GavinPJ »

Another weird one folks! The time clock isn't holding its memory. I had to bring it forward about 5 minutes the other morning but now it has lost
about half hour in total. Unless it is a time machine! :-)
2010 C5 X7 with the Sat Nav screen.
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Re: 2010 C5 X7 Clock losing time!

Post by GiveMeABreak »

Hi Gavin - Battery, battery or battery.

The only reason these will generally loose time start blinking / flashing is if they are disconnected from the power source.

How old is the car battery? If anything 5 years or older, then it's probably on its way out.

Pop your VIN up (auto-masked on post submission) so I can see exactly which system you have.

There may be another possibility though - the GPS N Week Rollover issue. If you have your navigation system settings set to 'Synchronise Time with GPS', then you must UNTICK this option. This will also help ensure your system's navigation is not affected by the issue when navigating.
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GavinPJ
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Re: 2010 C5 X7 Clock losing time!

Post by GavinPJ »

Cheers Marc,
Now you mention it, I did notice the car was in Eco mode in the mornings lately.
VF7**************[VIN obfuscated, can be read by forum staff] is the VIN. First thing that came to mind was a battery on it's way
out as my last X7 was going into Eco mode all the time until I replaced the battery.
Gav.
Last edited by GiveMeABreak on 23 Apr 2021, 12:02, edited 1 time in total.
Reason: Full Vin entered for Security & Obfuscation
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GiveMeABreak
Forum Admin Team
Posts: 37005
Joined: 15 Sep 2015, 19:38
Location: West Wales
My Cars: C3 Aircross SUV HDi Flair Peperoncino Red (The Chili Hornet)
C5 X7 2.0 HDi Exclusive Mativoire Beige (The Golden Hornet)
C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
GS 1000 Cedreat Yellow
x 5646

Re: 2010 C5 X7 Clock losing time!

Post by GiveMeABreak »

Ok, so it's the MyWay RNEG system. - Yes, look to battery but also check out the Time synchronisation setting I mentioned - make sure it is off to get around N Week Rollover issue.
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GavinPJ
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Re: 2010 C5 X7 Clock losing time!

Post by GavinPJ »

GiveMeABreak wrote: 23 Apr 2021, 12:03 Ok, so it's the MyWay RNEG system. - Yes, look to battery but also check out the Time synchronisation setting I mentioned - make sure it is off to get around N Week Rollover issue.
Another one for you Marc. One of the kids has a 2008 207 and the clock won't keep time or date saved.
Overnight it is like the battery has been disconnected but it always starts no worries at all.
Gav.
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Re: 2010 C5 X7 Clock losing time!

Post by wheeler »

Did it used to keep time or has the problem always been here?
Check the shunt fuse in the BSI fusebox the client position & not park?
Has anyone been messing about with fuses just before this happened?
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Re: 2010 C5 X7 Clock losing time!

Post by MarkB68 »

I have the same issue on a DS3 and would really appreciate a fix?

the clock keeps losing time (around 15 mins per day). It's not resetting like a flat or disconnected battery, it's just slow.
I unchecked the "sync with GPS" option and it's still the same, with this option ticked you cant set the clock to the correct time!
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Re: 2010 C5 X7 Clock losing time!

Post by wheeler »

It would certainly be worth doing a BSI reset first if you have not already done so.
GavinPJ
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Re: 2010 C5 X7 Clock losing time!

Post by GavinPJ »

Quick update folks. I replaced the battery and all was fine for a few months
but it has started to lose time again. Lost 5 mins in the passed month and
seems to stopped at that. Due a service soon so I'll get a BSi reset done
then.
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