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Mariana Black



Member Since: 30 Jul 2014
Location: Stockton-on-Tees
Posts: 78

England 2014 Range Rover Autobiography TDV6 Mariana Black
L405 Park brake fault (Yellow light)

Hi
After some advice please. Bow down
Pulled off from a hill start and the parking brake fault yellow light is now illuminated. Censored
Also the phrase Calibration of foot pedal and hand brake flashes up with a simple calibration description. Carried this out but Parking brake fault still is on. Big Cry

Is it a main dealer fix or a DIY fix. Has anybody come across this please?

94K happy miles.

3.0 14M5 Autobiography.

Many thanks and Stay safe.

Post #577805 30th Dec 2020 5:29pm
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stan
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England 2016 Range Rover Vogue TDV6 Indus Silver

just had a look in the WM [d/l in the wiki] and i think its the 'Electric park brake control module internal fault'

which probably means a replacement module??? ... - .- -.


WIKI

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.

Post #577808 30th Dec 2020 5:46pm
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Mariana Black



Member Since: 30 Jul 2014
Location: Stockton-on-Tees
Posts: 78

England 2014 Range Rover Autobiography TDV6 Mariana Black

Hi Stan
Thank you, I will look at trying to find the part number and location.
Do you think it would need coding or a straight replacement?

3.0 14M5 Autobiography

Post #577820 30th Dec 2020 8:07pm
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stan
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England 2016 Range Rover Vogue TDV6 Indus Silver

the module [if faulty ] is in the rear off side cubby section....

have a read of the WM, i only scanned it quickly so a proper read is best.. ... - .- -.


WIKI

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.

Post #577821 30th Dec 2020 8:10pm
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NP85



Member Since: 30 Dec 2020
Location: Edinburgh
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United Kingdom 2012 Range Rover Autobiography 4.4 V8 Fuji White

Came here looking for this exact same problem as it happened to me yesterday as well - maybe there are a whole raft of them all set to stop working on 30th December 2020?? Laughing

Thanks for the heads up on WM in the Wiki, Stan.

Mariana, can I ask you to let us know how you fare with replacing yourself? I'm due for MOT in Jan anyway so tempted to ask the garage to order and replace while it's in, but if it's an easy buy-and-install then I'll have a go myself and save some much needed money.

Post #577868 31st Dec 2020 12:22pm
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Mariana Black



Member Since: 30 Jul 2014
Location: Stockton-on-Tees
Posts: 78

England 2014 Range Rover Autobiography TDV6 Mariana Black

Hi NP85
I have looked into the WM and found the twenty four page section referring to the Electronic brake module.
The more I read - yes simple to change but I am unable to reprogram so changing one over will in my mind just cause more problems / issues. I am going to book my car in. Sadly New Year and CoVid tier4 is not on my side at present. Yawn

I will let you know when sorted.
Cheers Mariana Black

3.0 14M5 Autobiography

Post #577898 31st Dec 2020 4:24pm
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bleeperman



Member Since: 01 Nov 2012
Location: lancs and Anglesey
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2014 Range Rover Vogue SDV8 Balmoral Blue

And another, mine is doing the same! Help got CAR OWNER VIRUS!

Post #578418 4th Jan 2021 4:06pm
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johnf



Member Since: 16 Nov 2012
Location: Nottinghamshire
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2013 Range Rover Autobiography 5.0 SC V8 Bonatti Grey

This is spooky. Mine too!

Post #578420 4th Jan 2021 4:12pm
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Mariana Black



Member Since: 30 Jul 2014
Location: Stockton-on-Tees
Posts: 78

England 2014 Range Rover Autobiography TDV6 Mariana Black

Hi
I had to speak to the main dealers - well the local 4x4 garage I take my car to and they ran a diagnostic on it. The motor on the lefthand side was faulty - even though it was making a sound and moving. They have never come across the ECU being faulty before. Shocked

I was informed that a common fault was the plastic 8mm lugs snap off the back of the plastic housing on the brake motor but sadly this was not in my case. I was also informed that the replacement motor needed to be configured and I have booked it in for £257.38 fitted. Big Cry

I just wanted to pass on any details as I found them. Will confirm later next week if all is completed and working well. Best wishes for the other poorly L405. Thumbs Up

3.0 14M5 Autobiography

Post #579083 9th Jan 2021 2:04pm
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Charles89



Member Since: 11 Nov 2018
Location: Leicester
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United Kingdom 2014 Range Rover SVAutobiography SDV8 Scotia Grey

Well mine is also doing the same!


I have changed not only the parking break motor but also the module and its still the same.

I've done a continuity test and the wiring is fine. But still I have the same warning. Caliper replacement and you guessed it. Still the same


So now I'm wondering if the second hand module I bought is also faulty... After doing some more testing its clear that 12v is not exiting the module down to the calipers when the brake switch is actuated. It works fine on the left hand side of the car, and I can see voltage coming out to the caliper.

I do also have a short to ground error code stored in the EPB module. So im wondering if the short to ground is possible to have happened inside the module and that may cause it not to output 12v to the right hand side caliper.

Post #579376 11th Jan 2021 9:06pm
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Mariana Black



Member Since: 30 Jul 2014
Location: Stockton-on-Tees
Posts: 78

England 2014 Range Rover Autobiography TDV6 Mariana Black

Good evening

Happiness again Thumbs Up My car is back for the garage with the left brake motor actuator (LR036573) replaced. They carried the work out while I waited and now its all back to normal.

The rear brake motor looked in perfect condition until it was removed then the rushy gear mechanism was spotted and hence my issue.

Yes they plugged the car in, yes they put the motors in service mode and then did other things I sadly could not see. Changing random secondhand parts could definitely be the cheaper option but for £30 for them to fit it was my option as it worked first time and comes with a warranty.

3.0 14M5 Autobiography

Post #579795 14th Jan 2021 8:34pm
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knwatkins



Member Since: 11 Sep 2020
Location: Poole, Dorset
Posts: 149

United Kingdom 2014 Range Rover Vogue SE SDV8 Corris Grey

Great news Jonathan Thumbs Up Kev

MY2014 L405 RR Vogue SE 4.4 SDV8 in Corris Grey
MY2010 L320 RRS HSE 3.0 TDV6 in Stornoway Grey

Post #579797 14th Jan 2021 8:55pm
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NP85



Member Since: 30 Dec 2020
Location: Edinburgh
Posts: 2

United Kingdom 2012 Range Rover Autobiography 4.4 V8 Fuji White

Mariana Black wrote:
Good evening

Happiness again Thumbs Up My car is back for the garage with the left brake motor actuator (LR036573) replaced. They carried the work out while I waited and now its all back to normal.

The rear brake motor looked in perfect condition until it was removed then the rushy gear mechanism was spotted and hence my issue.

Yes they plugged the car in, yes they put the motors in service mode and then did other things I sadly could not see. Changing random secondhand parts could definitely be the cheaper option but for £30 for them to fit it was my option as it worked first time and comes with a warranty.

3.0 14M5 Autobiography


Awesome! Thanks for the update Mariana, glad it's all working now and not giving you grief.

My warning light has disappeared. Wasn't sure if it was anything related to the cold temperature we've been having (fair bit of snow where I am), but after being on for that first day it's never reappeared since.

Anyone else finding the same, or the problem still persisting?

Nic

Post #579931 15th Jan 2021 11:27pm
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Cam-Tech-Craig



Member Since: 03 Aug 2011
Location: Gloucestershire
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England 2014 Range Rover SVAutobiography SDV8 Orkney Grey

Funnily enough mine had a funny five last night and told me there was a PB fault and the PH needed calibration! Handbrake on & off half a dozen times and in the end an ignition cycle cleared the fault!

Wondered if its all the crap on the road/car at the moment?

Post #579935 16th Jan 2021 1:14am
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