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mycar



Member Since: 15 Jul 2015
Location: Antwerp
Posts: 13

Belgium 2011 Range Rover Sport 3.0 TDV6 HSE Java Black
Fault codes U0421-68 & C1B00-64 after front bushing repa

On my 2011 RRS I had to replace the lower rubber bushings in the front lower suspension arms. On one 1 side I really problems getting the ball-joint loose and maybe over extended the height sensor on that side.

I now have 2 dtc's which are ABS and Height related. Cleared those but came back.

U0421-68
C1B00-64

It is possible to determine which sensors are involved (I worked on both front sides) ? Checked cables and mechanism from a visual point of view. No issues there. Cleared the ABS rotor and sensor also.

Currently I have warning (DSC and HDC are not working) appearing on my dashboard, which can be cleared with OK.

Post #600878 Sat Jun 27 2020 8:48am
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RRSTDV8



Member Since: 13 Aug 2011
Location: Northamptonshire
Posts: 7044

United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

If HDC and DSC aren't working, that points to a wheel speed sensor or related wiring problem 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Post #600880 Sat Jun 27 2020 10:47am
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Oldandconfused



Member Since: 18 Jun 2017
Location: Norfolk
Posts: 419

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Zermatt Silver

Have you had a 4 wheel alignment carried out? I understand that if you have work done on the wishbone, it needs an alignment check/adjustment and if not done can throw up faults. You really need someone who knows these cars, preferably with a Hunter rig.

Post #600901 Sat Jun 27 2020 5:17pm
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mycar



Member Since: 15 Jul 2015
Location: Antwerp
Posts: 13

Belgium 2011 Range Rover Sport 3.0 TDV6 HSE Java Black

I did read the alignment statement after posting my question. It makes sense although I marked the positions of the alignment bolts and used these marks for alignment when installing the wishbones with replaced bushings.

Wiring seems fine and I checked if I damaged wiring (but I didn't). Warnings indeed only pop up above 50 km/h. After shutting down the car, these disappear.

Post #600902 Sat Jun 27 2020 5:38pm
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