Quote:
Originally Posted by craigsx5
Hello All,
My X5 (165,000km) experienced the intermittent, combined brake light and DSC light a couple of months ago. This lead to the occasional disengagement of the 4WD and engine limp mode. It didn't show up any engine check codes on the analyser.
After reading this forum and given the mileage, I first decided to replace the plastic wheel in the transfer case actuator as a precaution(the old wheel looked remarkably good, however). This didn't fix the intermittent warning lights, though.......very frustrating!
Anyway, as a final thought, before I took the car to the workshop to professionally check the various sensors etc., I decided to fully replace the brake fluid (as I hadn't replaced it in almost 4 years). There were no bubbles in the fluid, just a darkened colour with a little bit of cloudy sludge.
It seems to have fixed the problem.....it's been 3 weeks now without any warning lights! HAPPY DAYS!
Just a suggestion.......check and replace your brake fluid, if you are experiencing the warning light problem...........it may be that simple?!
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If only all trifecta faults were sorted that easily!
craigsx5, not sure if the Aussie cars are the same Euro spec. we get in over here but after at least two years (seven hundred-odd days actually) since the last brake fluid change a small clock icon should appear in your dash - beneath the service countdown indicators - to warn you that a brake fluid change is due. Not sure if this is true of the low spec. cluster but it pops up on the high spec. version. The reset for the brake fluid countdown is in the same menu as for the oil/inspection reset.