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Expire



Member Since: 29 Dec 2017
Location: Hertfordshire
Posts: 7

United Kingdom 2007 Range Rover Sport 4.4 V8 HSE Java Black
Another Normal Ride Height Only Problem (solved)

This problem seems to be well known - some 0.5 to 5 minutes after start up the dreaded 'ping' and yellow suspension warning light comes on. A system reboot (i.e. a restart) used to clear it - but it is becoming more difficult to clear these days. Sometimes 5 or 6 reboots are required.

Here are my thoughts:

It has had a new compressor about 24 months ago - the indie maintenance shop looking at the problem does not suspect this to be the fault.

The maintenance shop was unable to download the latest BECM software - I am not sure of the reason (and they do not know either).

The red air bag warning light comes on due to a faulty connection at the BECM (fiddling with the multi-pin connector on the front panel of the BECM seems to fix it for while - but after a week or so the fault recurs).

Here is my question:

Could a dodgy connection to the BECM trigger the suspension error? Many electrical systems seem to route through this unit so if the airbag circuit is playing up it seems reasonable that other circuits are. This could also explain the software download problem.

Or perhaps the BECM itself is faulty?

Does anyone have any further thoughts or advice?

All the best

Mike


Last edited by Expire on Mon Feb 19 2018 6:41pm. Edited 1 time in total

Post #544304 Fri Dec 29 2017 11:05am
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Paddi



Member Since: 06 Jul 2012
Location: Hertfordshire
Posts: 1563

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

If you browse around on this site you'll find that warning messages that pop up and mysteriously disappear after a restart are very often related to a poor state of charge of the vehicle's main battery or a failing battery.

First thing to do is check the battery voltage across the terminals with a digital multimeter - (after car has been standing overnight, this is important) anything less than about 12.4 volts indicates poor state of charge.

Next try FULLY charging the battery using a decent quality smart charger such as a CTEK or Optimate. Simply driving the car isn't enough. Check the voltage again after allowing the surface charge to dissipate for a couple of hours.

If still having problems have the car fully scanned with a Land Rover specific scan tool, get a print out or write down the results and post them here. It sounds as if your independent doesn't understand how to use theirs properly or they have only a generic system. 2008 MY Java Black TDV8 HSE

Post #544309 Fri Dec 29 2017 12:49pm
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Expire



Member Since: 29 Dec 2017
Location: Hertfordshire
Posts: 7

United Kingdom 2007 Range Rover Sport 4.4 V8 HSE Java Black

Thank you - I will measure the voltage tomorrow morning.

Mike

Post #544316 Fri Dec 29 2017 2:18pm
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Expire



Member Since: 29 Dec 2017
Location: Hertfordshire
Posts: 7

United Kingdom 2007 Range Rover Sport 4.4 V8 HSE Java Black

Too much overthinking on my part - a new compressor solved the problem.

Post #549190 Mon Feb 19 2018 6:41pm
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Eaters



Member Since: 11 Apr 2016
Location: East Sussex
Posts: 1532

United Kingdom 2008 Range Rover Sport TDV8 HSE Zermatt Silver

Good to hear! I think we can all become a bit paranoid on this forum expecting the worst and sometimes ignoring the simple. Robin
2008 Range Rover Sport TDV8
Gone:
Jaguar S-Type V8 4.2 Sport
MGZTT 190 2.5

Post #549245 Tue Feb 20 2018 9:04am
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