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EPB Issue.. "Parking Brake Fault"
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SantaCruz
 


Member Since: 22 Jan 2012
Location: Salisbury, Wiltshire
Posts: 564

2016 Discovery 4 3.0 SDV6 SE Tech Auto ArubaDiscovery 4
EPB Issue.. "Parking Brake Fault"

Ok, bit of an odd one this. The EPB has stopped working, with "parking brake fault" displayed on the dash, I also have the Amber (!) light and flashing (P) light - however, there are no fault logged at all (IID BT

Occasionally it works, (say 1 in 20) but generally not. Today I replaced the EPB module with a know working one, and same fault remains. I also replaced the switch at the begining of the year with a 2nd hand one, and was working fine.

I think I'll try another switch, and see what happens, other than that, it could be wiring - i take it theres nor much to the wiring between the switch and module?

Anyone with other ideas?
 Si

2016 Disco 4 SE Tech
2019 Fiesta ST3
2021 GBS Zero 
 
Post #20973883rd Nov 2019 7:11 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Have you checked and adjusted the shoes? And made sure you havent got a snapped cable
  
Post #20974444th Nov 2019 6:14 am
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SantaCruz
 


Member Since: 22 Jan 2012
Location: Salisbury, Wiltshire
Posts: 564

2016 Discovery 4 3.0 SDV6 SE Tech Auto ArubaDiscovery 4

Good thinking, but I changed the EPB module Wink - cables are fine., and shoes are adjusted (as you have to pratcically remove most of that to remove/refit the EPB Module)

The more I think about it, it seems to be an electrical bug somewhere...
 Si

2016 Disco 4 SE Tech
2019 Fiesta ST3
2021 GBS Zero 
 
Post #20974474th Nov 2019 6:27 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1772

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

One imagines that you have checked the fuses Embarassed
  
Post #20974544th Nov 2019 8:28 am
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SantaCruz
 


Member Since: 22 Jan 2012
Location: Salisbury, Wiltshire
Posts: 564

2016 Discovery 4 3.0 SDV6 SE Tech Auto ArubaDiscovery 4

i had discounted the fuses, as it has the fault had been intermittent, however I'll check them anyway I guess is possible that the fuses has melted in such a way it "could" be making intermittent contact.. We shall see on Friday when I'm back home Wink
 Si

2016 Disco 4 SE Tech
2019 Fiesta ST3
2021 GBS Zero 
 
Post #20974924th Nov 2019 12:47 pm
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mtpollock
 


Member Since: 05 Nov 2019
Location: Wirral
Posts: 30

United Kingdom 2007 Discovery 3 TDV6 SE Auto Unknown ColourDiscovery 3

I've got the dreaded EPB fault now. It's an automatic so I rarely use it anyway, but MOT is looming Sad
  
Post #20976885th Nov 2019 11:42 am
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DIY Ace
 


Member Since: 06 Feb 2019
Location: Hampshire
Posts: 853

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

The EPB is a strict part of the MOT so you'll need that fixed else it will fail...
 2022 BMW i4 M50. Bought Oct 2022. 10,200 miles and counting...
2014 BMW 435d convertible. Bought July 2021. 58,000 miles and counting...
2005 Discovery 3 HSE Auto. Bought Feb 2019. 169,000 miles and counting...
2009 Freelander 2 XS Manual. Bought Sep 2013. SOLD Aug 2021 (already regretted!)

https://youtube.com/channel/UCO_u_0D45x9KGfiNstzLJnw 
 
Post #20977225th Nov 2019 2:10 pm
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dadof7kids
 


Member Since: 23 Aug 2011
Location: sunny Doncaster
Posts: 1303

England 2014 Discovery 4 3.0 TDV6 HSE Lux Auto Firenze RedDiscovery 4

had this fault for 2 weeks then I got my car jet washed clean and now its gone and not come back. Shocked
 java Black D3 gone : (
Club Lux : ) GONE : ( 
 
Post #20978916th Nov 2019 9:27 am
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SantaCruz
 


Member Since: 22 Jan 2012
Location: Salisbury, Wiltshire
Posts: 564

2016 Discovery 4 3.0 SDV6 SE Tech Auto ArubaDiscovery 4

Well, all fuses are OK, new EPB Switch, fault still apparent and still no fault codes. Guess its wiring then.
 Si

2016 Disco 4 SE Tech
2019 Fiesta ST3
2021 GBS Zero 
 
Post #20984428th Nov 2019 5:26 pm
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dadof7kids
 


Member Since: 23 Aug 2011
Location: sunny Doncaster
Posts: 1303

England 2014 Discovery 4 3.0 TDV6 HSE Lux Auto Firenze RedDiscovery 4

https://www.disco4.com/forum/epb-repairunj...hlight=epb
try this Thumbs Up
 java Black D3 gone : (
Club Lux : ) GONE : ( 
 
Post #20984958th Nov 2019 8:31 pm
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SantaCruz
 


Member Since: 22 Jan 2012
Location: Salisbury, Wiltshire
Posts: 564

2016 Discovery 4 3.0 SDV6 SE Tech Auto ArubaDiscovery 4

Nice idea, but already replaced EPB module, still get same faults. Everything is latched as should be,
 Si

2016 Disco 4 SE Tech
2019 Fiesta ST3
2021 GBS Zero 
 
Post #20985018th Nov 2019 9:10 pm
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SantaCruz
 


Member Since: 22 Jan 2012
Location: Salisbury, Wiltshire
Posts: 564

2016 Discovery 4 3.0 SDV6 SE Tech Auto ArubaDiscovery 4

well further to this, and a bif of digging around I think I find the fault... not where I expected. About 3cm back from the Plug for the EPB, one wire outer had split and corroded inside, with another wire with a nic in the outer.






Just need to cut that bit out and that should be it, mind you yesterday when I was looking at the connector in NSR arch, I found the outer CV boot had split. yay.... Shocked
 Si

2016 Disco 4 SE Tech
2019 Fiesta ST3
2021 GBS Zero 
 
Post #209920012th Nov 2019 2:14 pm
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