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DISCO3.CO.UK > Technical (D3)

Electrical fault

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kennyd

Member Since: 07 Mar 2012
Location: east kilbride
Posts: 6

2005 Discovery 3 TDV6 S Manual Unknown Colour

Electrical fault

HELP ive got a problem with my disco 3. While driving along the outside indicators started flashing but nothing in the car, i pulled over and turned the engine off and noticed the EPB was flashing and not staying on as normally woukld. When i tried to restart the engine it was dead but with dash light all on as normal. There was HDC fault indicated but when turning the key no solenoid or anything.
I had a problem with similar symptoms at start of year when i bought the car but battery was dodgy, I bought a brand new bosch battery and have checked battery which is at 12.6 volts.
Could problem be linked to immobiliser or key?
Thanks in advance.

24th Aug 2012 8:23 am

Flack

Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6300

2007 Discovery 3 TDV6 XS Auto Stornoway Grey

You dont say if your car is auto or manual I would do a hard reset first on the battery and then if still nothing when you turn the key, if auto check the gear linkage is not binding up and that your are actually in neutral or park with the gear lever. Have you tried a spare key..

Other than that you need to get the car on a diagnostic check to what codes are logged.

Flack

24th Aug 2012 8:33 am

kennyd

Member Since: 07 Mar 2012
Location: east kilbride
Posts: 6

thanks for help, the car is a manual and already tried disconnecting the battery. So looks like i ve got a nasty bill on my hands. BUMMER.

24th Aug 2012 9:29 am

Flack

Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6300

kennyd wrote:
thanks for help, the car is a manual and already tried disconnecting the battery. So looks like i ve got a nasty bill on my hands. BUMMER.

A hard reset is not just disconnecting the battery look in the wiki pages on the top of the board it explains how to do it, but you disconnect both battery leads and join them together THE LEADS not the battery terminals for about a minute and then see if that helps..

But I had a similar problem with one at the week end and the BCU module had gone corrupt with the same errors, does the key not lock and unlock the doors as well.?.

Flack

24th Aug 2012 9:48 am

Disco_Mikey

Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20822

2005 Discovery 3 TDV6 HSE Auto Cairns Blue

You have a CAN-BUS issue.

Can be quite a lengthy procedure to narrow the fault down to a specific module or area of wiring... My D3 Build Thread

TDV8 Retrofit Build Thread

24th Aug 2012 9:56 am

top-tech

Member Since: 05 Aug 2010
Location: hertfordshire
Posts: 31

Yes you have an open circuit on the CAN bus.2 possible causes are the instrument pack and the heating control module. If the fault is happening it should be easy to find,will just take a bit of time.for the instrument pack check,just turn ignition on and tap the top of the dash above the instrument pack usually it comes back on. If it does a new pack is required. The heater module can be by-passed by linking the 2 yellow/White wire and the yellow/blue wires.also check the wiring by the nearside rear wheel wires can rub through on suspension strut. Happy hunting

27th Aug 2012 8:16 am

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