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02-08-2012 03:21 PM #1
e39 electrical issues - ABS, Brake, DSC light randomly come on while braking
Over the past few weeks my 2001 e39 525i has started to randomly show the lights for ABS, BRAKE, and DSC while I'm applying the brakes on my car. All three will light up yellow and then disappear. Many times nothing happens and when it does it's only for a few seconds.
What could this be? Maybe an electrical wire or connection is loose? Any help would be great. Thanks.
02-08-2012 06:50 PM #2
- Sundance Mesa, NM, United StatesMember No: 4328
- Join Date
- Oct 2000
- Rep Power
Start by checking the battery voltage, if it's low this could be the root cause of you problem.
With the engine running and the headlights on it needs to be at least 12.6 volts.
It could be as high as 14.2 volts depending on a lot of variables, which is fine.Just a few mods.
If it ain't broken make it better and quicker!
02-08-2012 06:59 PM #3
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