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Possible electrical problem
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Jull
 


Member Since: 22 Nov 2018
Location: SAINTE-MARIE
Posts: 8

Canada 2010 Discovery 4 5.0 V8 HSE Lux Auto Nara BronzeDiscovery 4
Possible electrical problem

I did a research and didn't get much results.

Something strange happened, on the highway ramp while accelerating, I got multiple error messages : "stability control disabled" "braking assist disabled" "suspension lowered for safety". And the infotainment system rebooted, clock an date were reset. All with an audible thump. Stopped the truck, restarted, everything went away.

Seems like an electrical issue to me, with all those systems going out at once. Battery is brand new, replaced it last Sunday.
  
Post #20052971st Dec 2018 11:17 pm
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26699

United Kingdom 

I’d be double checking the battery connections.
  
Post #20052981st Dec 2018 11:19 pm
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Jull
 


Member Since: 22 Nov 2018
Location: SAINTE-MARIE
Posts: 8

Canada 2010 Discovery 4 5.0 V8 HSE Lux Auto Nara BronzeDiscovery 4

Thanks for your reply. I will double-check battery connections

I re-read my original post and noticed I didn't properly described what happened. It was more as if the truck shut off and then restarted immediately. All lights in the dash came on just like a normal start up, except I was driving at 80 km/h. I didn't notice if the engine shut off. Some error messages popped up, as described previously.
  
Post #20054092nd Dec 2018 1:47 pm
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Jubbly
 


Member Since: 20 Nov 2016
Location: Stourbridge
Posts: 401

United Kingdom 

The only time i have ever had this is when i've been driving around with my IID tool in the OBD port and i've caught it with my foot, cleared faults on the go and didnt come back.
 Jaguar I-Pace HSE imminent.
Gone HSE with Flappy Paddles. IID BT tool. RLD Spare Protector, Altox GPS.

 
 
Post #20055072nd Dec 2018 7:09 pm
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Jull
 


Member Since: 22 Nov 2018
Location: SAINTE-MARIE
Posts: 8

Canada 2010 Discovery 4 5.0 V8 HSE Lux Auto Nara BronzeDiscovery 4

I just checked battery connections, everything is tight, at least on the battery.

I will have to investigate this issue quite further than I expected. So what would cause a complete reboot of the whole electrical system while driving? I assume the error messages were simply a result of the systems not being able to perform their start up checks because the truck was moving.

Can an alternator failure, causing a power surge, would cause a shut down? Or if the battery monitoring system was not properly reset?

I also found that a bad instrument cluster might cause similar symptoms, but I found only one instance of that issue on a Disco 3. Which seems a little far fetched.

Any help is highly appreciated. Thanks.
  
Post #20058393rd Dec 2018 11:45 pm
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