Vehicle & Technical > Range Rover

ABS is not quite right!

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Jonny Boaterboy:
I seem to be developing a problem with my ABS, when I start the engine the orange warning lights sometimes do not go off, isolating it, and indicating theres a fault. If you turn the ignion off and then back on the lights go of and normal operation is achived..... well almost, when the system is working the ABS kicks in every time just befor I come to a stop weather I've lost traction or not. I have also found that use of the ABS system i.e. the traction control will, after working for a short time triger the orange lights to come on and isolate the system indicating theres a fault.

Does any one know why this is happening and how to fix it? Is there a major spend coming my way or is there a cheep fix! (would like to keep the ABS system so pulling the fuse is not an option.... yet!)

Thanks alll Happy Christmas

Jonny

Pete:
You could try checking the gap on the wheel sensors.
 Pete.

Range Rover Blues:
Simple answer is a blink test, that will show you what's amiss.  The light not going out straight away could be a problem with the pressure switch.

Jonny Boaterboy:
Thanks very much, Pete, RRB you were both right! I took it to my local Land Rover Garage and they pluged it in. The following codes came up:

Blink Code: 2,4 Front right wheel sensor airgap too large
Blink Code: 8,4 Front right wheel sensor open circuit Intermittent
Blink Code: 10,4 Front right wheel sensor airgap too large
Blink Code: 10,6 Front left wheel sensor Airgap too large
Blink Code: 12,6 Fault code NOT allocated

I brought a new offside front ABS wheel sensor (£119) and put that on, and relocated the nearside sensor. Which seems to have cured the warning lights coming on. However, the abs is still activating when i come to a stop, not every time but probable about 50/50 just as Im about to stop it kicks in for a cuple of seconds!

Have you any ideas why this is happening?

Thanks alot

Jonny

Range Rover Blues:
Hm, a fault coed not allowed, that's odd. I remeber from somewhere that depending what system you use the fault coeds can return different messages, as they are interpreted by the reader.  Some codes don't come out by the blink test but do come out with Rovacom for example.

You can easily do the blonk test yourself now, so have another look and see if there is a fault still logged.  It could be a valve problem or something.

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