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Beretta
Member Since: 11 Oct 2012
Location: Rochdale
Posts: 1180
  
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Does anyone know if the early D4's will suffer from the GPS Week Number Rollover on the 6th April? 2010 Disco 4 HSE
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 3rd Apr 2019 8:27 am |
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NJSS
Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10796
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| GPS Week Number Rollover ("WNRO") - April 6, 2019 |
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Are You Ready for the Next GPS WNRO (Week Number Rollover)?
As I understand it any device which uses GPS derived time could be effected, obviously SatNav, but DashCams & the like too.
Tom-Tom have updated their software for Renault & Smart cars.
https://www.tomtom.com/en_gb/updates/
Are there updates for JLR SatNav systems ?
NJSS Am I Gammon or Woke ? - I neither know nor care.
2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t.
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| 3rd Apr 2019 8:32 am |
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Martin
Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18561
 
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Merged 
You would hope that as it happened in 1999 then kit after that date would handle this one.
But I'll let you know Sunday morning  06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
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| 3rd Apr 2019 8:36 am |
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Beretta
Member Since: 11 Oct 2012
Location: Rochdale
Posts: 1180
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I have seen the TomTom stuff this morning, and that's why I wondered if anyone had seen anything from JLR.
I did try and search the forum, but if I search for 'WNRO' nothing popped up. 2010 Disco 4 HSE
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| 3rd Apr 2019 8:47 am |
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Treetrimmer
Member Since: 17 May 2014
Location: Billericay, Essex
Posts: 109
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Okay, I’ll own up! What on earth are you talking about?
Is this yet another important date which I’ve no idea about?
Would someone please enlighten me.
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| 3rd Apr 2019 8:51 am |
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Beretta
Member Since: 11 Oct 2012
Location: Rochdale
Posts: 1180
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Its like the millenium bug Version 2.0 - 6th April is when the Week Number Rollover will happen on the GPS system, some devices say it could just stop the time / date and functions around that failing, others say the position will fail to update as well.
https://www.gps-repeaters.com/blog/gps-wee...-6th-2019/
This is from the TomTom site;
The GPS Week Number Rollover (WNRO) occurs every 19 years, with the next roll over taking place on 6 April 2019. Similar to odometers in older cars rolling over from 99,999 km to 0, the GPS WNRO is the resetting of the GPS calendar back to 0.
When the calendar resets, it can cause a miscommunication between GPS satellites and GPS receiver chips. As a result, some chips in satnavs will lose the ability to process certain functions.
What does this mean for you? It’s time to check your satnav. Depending on your device, you may need to update or upgrade. 2010 Disco 4 HSE
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| 3rd Apr 2019 8:54 am |
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Treetrimmer
Member Since: 17 May 2014
Location: Billericay, Essex
Posts: 109
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Thank you for your clear and informative reply.
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| 3rd Apr 2019 9:25 am |
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