Disco 2 Warning lights after changing brakes

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AdamD1

AdamD1

Well-Known Member
Posts
682
Location
Essex
Hi, before I drive it into the sea and forget it ever happened I’m here to beg for some help!

Fitted new rear discs and pads yesterday, sliders were a pain to get loose but got there in the end.

Did 130 miles to beaulieu and all was good right up until the point we got there. On arrival the ABS light came on with the amigos, nanocom says 06-05 front right sensor electrical failure. Can anyone shed any light on it please? Doing their off road course today and am away laning next week, if the traction control doesn’t work I’m stuffed as I have no CDL. The thing is really testing me at the moment!
 
Number one, your traction control may still work, mine did even though the 3 amigos came on, as did the ABS, try and find a muddy track to test it on. If you go on the course I would have thought they are bound to have recovery for peeps whose trucks break down on it.
Number 2, check wiring to and from the right front sensor and that the sensor itself it properly seated in its hole.
Number 3, if that doesn't improve things, disconnect the sensor at its connection under the bonnet, if the nanocom says nothing different you know that the sensor is the problem, then it is your choice whether you try and just change the sensor or do what LR says and change the hub and sensor. But I think Sierrafery says that Nanocoms can get sensor issues wrong, i.e. mix up which one is actually the problem. If when you disconnect the sensor and retest, your Nanocom says there is another problem then it may be that the problem is with the left sensor, so you could reconnect the right one and do the same thing with the left one to confirm it.
I had this problem with a garage's diagnostic and replaced completely the wrong hub through it. But mine was a rear one. Best of luck.
 
Stanleysteamer said:
Number one, your traction control may still work, mine did even though the 3 amigos came on, as did the ABS, try and find a muddy track to test it on. If you go on the course I would have thought they are bound to have recovery for peeps whose trucks break down on it.
Number 2, check wiring to and from the right front sensor and that the sensor itself it properly seated in its hole.
Number 3, if that doesn't improve things, disconnect the sensor at its connection under the bonnet, if the nanocom says nothing different you know that the sensor is the problem, then it is your choice whether you try and just change the sensor or do what LR says and change the hub and sensor. But I think Sierrafery says that Nanocoms can get sensor issues wrong, i.e. mix up which one is actually the problem. If when you disconnect the sensor and retest, your Nanocom says there is another problem then it may be that the problem is with the left sensor, so you could reconnect the right one and do the same thing with the left one to confirm it.
I had this problem with a garage's diagnostic and replaced completely the wrong hub through it. But mine was a rear one. Best of luck.
Click to expand...
I had this with mine. The fault showed front left as the issue on the Nanocom but live data showed rear right having a voltage issue. I disconnected the sensors in turn to check, it was indeed the front left which was the problem, so the fault code was right and live data was wrong.
 
AdamD1 said:
Thanks, sounds like there’s a chance I dislodged something then
Click to expand...
Yeah, especially if you were hitting bits of your brakes with a FO hammer to shift the slider! In that case, I'd look at the sensors on the rear first, and their connectors.
Flipping pain this issue with Nanocoms and their not being trustworthy on which sensor is playing up. You'd think they'd have got around to fixing that.
 
The passenger rear disc took a lot of persuading, did the sliders off the car so shouldn’t be that
 
Could be vibration when persuading the disc. Or it could just be coincidence. You did say the light only came on after a drive to Beaulieu. Maybe vibration on a cattle grid in the New Forest? (Guess who lives nearby, normally, in France now though!) But still worth a good look I'd have said. Even if all you do is disconnect test the resistance or the sensor and then reconnect, on each rear hub.
 
If it wasn’t for the mot and the lakes trip I wouldn’t be so worried. That and as of Thursday it’s going to be my only car. I do genuinely want to get it sorted, I like it and it suits what we use it for despite having a drink problem. Just need it to behave!

It was off for the off road course and only came back on as we wanted the car park. Cleared and it was off again for a while on the way home then came back. I’ll still go to the lakes, may just have to miss out anything technical if it’s still playing up.
 
AdamD1 said:
Hi, before I drive it into the sea and forget it ever happened I’m here to beg for some help!

Fitted new rear discs and pads yesterday, sliders were a pain to get loose but got there in the end.

Did 130 miles to beaulieu and all was good right up until the point we got there. On arrival the ABS light came on with the amigos, nanocom says 06-05 front right sensor electrical failure. Can anyone shed any light on it please? Doing their off road course today and am away laning next week, if the traction control doesn’t work I’m stuffed as I have no CDL. The thing is really testing me at the moment!
Click to expand...
as likely a new hub and sensor at the rh front
 
Just to finish this off it *appears* to be sorted, will see over the next few days. My girlfriend noticed the lights came on when the brakes squeeled loudly. I discounted it at the time but it seems she was right.

New oem carriers (britpart G) and copper grease in all the right places has got rid of the squeel and so far no amigos. The code I just cleared showed rear right rather than front right as before, doing a bit of digging online appears to confirm that squeel messes with the electrical signals and wakes up the amigos.

Will update if anything comes back. Also the nanocom is proving to be a great purchase, maybe there is some hope for the D2 and I after all!!
 
Balls!
86FF47DC-E2AE-4B7B-A516-C527C1DEB408.jpeg


Back to reporting right front. Cleared and it’s gone again at the moment but clearly there is something to be fixed somewhere.
 
Isn't the word "intermittent" the worse word in the English language? Maybe your front wheel bearing is just slightly out, apparently even at the point where it cannot be felt when you test for it manually, is enough to throw the code. Do you know why the brakes are squealing? Maybe the fronts need doing!
Feel your pain M8!
 
They are new mintex discs and pads, maybe they need to bed in or maybe they are just noisy. I greased the contact points of the new carriers lightly, could try some more but who knows. It’s only at a very specific pedal position. A little more or less pressure and it goes away.

Could well be a bearing mot is due next month so I’ll get them to check properly.

The brakes feel great after being renewed with new carriers, probably worth doing the same at the front too.
 
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