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Posted on Jan 02, 2017
SOURCE: 90 104 on bmw x5 4.4i sport
90 is an 'Intermittent System Down' code, meaning the system isn't always staying online.
104 should be a right-rear (passenger) wheel speed sensor failure. If a sensor fails the system shuts itself down, so this is likely what's causing the first code.
How did you test your ABS sensors? They normally should be checked for resistance to be within specifications and they also need to have the waveform checked on a graphing meter or have one person check the sensor signals with an appropriate scan tool while another person is driving.
Also check the tone ring (notched ring the sensor reads) for broken/missing teeth and check the wheel bearing for play, as both of these can disrupt the readings, even if the sensor itself is good.
Hope this was helpful to you.
Posted on Oct 23, 2011
SOURCE: traction control
and more fun too... should be a relay and or fuse in the fuse panel that's located in the engine compartment near the battery... as i've learned bmw also likes to hide a fuse panel in the trunk... locate the fuse/relay three and pull it.... make sure your abs and other things work and enjoy the snow.
Please take a moment and rate this solution.. thanks
Posted on Jan 24, 2009
My car is doing exact same thing! I flushed radiator and now I have traction control light, reduce engine power, and enigine light coming on! My car sounds like **** and won't idle and no power! 04 prix gt of course. It was fine until I flushed radiator and put new thermostat in! What do I do?
Posted on Sep 14, 2011
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