MartinK said:
I've just had this on my Disco 2 (2002, 93k miles). The repair man (Andy White, Edinburgh) put testbook on it, and it's an intermittant low output from the LR rear ABS sensor. Apparently it can be the sensor or the hub. The hub assembly comes with a new ABS sensor for approx. £220 complete, but you can buy the ABS sensor on it's own for approx. £42. The new ABS sensor was fitted yesterday, and the ABS light has not come back on yet... Fingers crossed - if the ABS light comes on again, I'll need the whole hub!
So, the advise appears to be to try the ABS sensor first at £42, then the hub later if it's still a problem...
Glad that seems to have worked for you Martin - Good luck!
I am in two minds. They have identified the sensor via testbook, but in my opinion this is just the thing at the time (for me) that sent a glitch/blip/crackle that upset what is an obviously over-sensitive system. I spent hours today on google and found lots of stories of various componets being replaced only for the lights to return and the dealers to then recommend another component to try. A little bit 'horror stories' I know.
I really believe that, if you had access to testbook, you would just keep resetting the fault codes, and carrying on. I think the SLABS ECU is over-reacting to stimuli caused by vibraation, cold, magnetic fields, etc.
I lot of records of this (admittedly from the US) advise getting a guarantee on the work you get to rectify this particular fault that specifies that if the fault should return within, say, 12 months, you would get a refund on the previous repair.
My lights are now out. I reckon I could go hours, days, weeks, months or years before they come back. I wonder which it will be?
Sorry if this sounds all too cynical, I don't mean to go against any work anyone's had done and I really don't claim to know better than the LR technicians!!! This is just me spouting my theories!
Check this out
-search results-
I've also got a LR technical bulletin here that only refers to checking the wiring looms (basically) when detecting sensor faults on testbook