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andyhibs



Member Since: 14 Mar 2021
Location: UK
Posts: 2

United Kingdom 
Dynamic Response Faults C104A-94 C104B-94 C104C-94

Hi,

I have a 2014 Range Rover Sport 4.4.

I had minor accident on front right corner 6 months ago and the wheel bent the ace pipes in wheel arch.
I had the section of pipe repaired by hydraulic specialist.
The car is coming up with these faults:

C104A-94 - Pressure regulating valve - Unexpected operation
C104C-94 - Pressure regulating valve - Unexpected operation
C104B-94 - Pressure regulating valve - Unexpected operation

I read online that these are common faults for if there is air in the system. So I took it to an LR independant garage and they a bleed using LR system. As shown here:
https://static.nhtsa.gov/odi/tsbs/2017/MC-10125221-9999.pdf

The fault is still there. and the garage say they don't know what the cause could be.

I'm looking for an independant specialist who might know how to fix this. The faullts are obviously coming up due to incorrect data being logged on the components on ACE system, but it needs someone who knows what they are looking for to identify fault.

I appreciate any assistance

Post #616547 Thu Aug 12 2021 12:42pm
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jimbg



Member Since: 29 Jan 2013
Location: By the River Dart
Posts: 1725

2013 Range Rover Sport SDV6 HSE Orkney Grey

Where you are located would be a good next step. Thumbs Up 2023 P440e SE Dynamic on order -cancelled

2022 HSE Dynamic P400e

2017 Discovery 3.0 HSE Silicon Silver Nimbus interior and a few extra toys SOLD

2013 HSE Black, Orkney Grey, Ebony Seats and Ivory Interior SOLD

2006 HSE

Plus a few other cars inbetween!

Post #616548 Thu Aug 12 2021 12:54pm
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andyhibs



Member Since: 14 Mar 2021
Location: UK
Posts: 2

United Kingdom 

Bedfordshire
Willing to travel though

Post #616557 Fri Aug 13 2021 8:44am
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RRSTDV8



Member Since: 12 Aug 2011
Location: Northamptonshire
Posts: 8798

United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

If you're happy to travel, I have used James French 4x4 near Oxford for a number of years. As good a garage as I've ever used and have always been honest and straight forward to deal with. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Post #616564 Fri Aug 13 2021 2:19pm
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chrisjsw



Member Since: 10 Jul 2018
Location: Buckinghamshire
Posts: 69

United Kingdom 

Give Langley 4x4 a try, they're real good.

They're at Kings Langley so not too far. 2015 Range Rover Sport L494 HSE Dynamic
Works at an Indy in Herts

Post #616651 Tue Aug 17 2021 11:31am
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