'Check Brake Fluid' Warning

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Cadillac Tech Tips - How to fix it Discussion, 'Check Brake Fluid' Warning in Item Specific Cadillac Discussion; On my '93 STS - North*....... First, I had , " Check Brake Fluid" Second, I also had "Traction Control ...
  1. #1
    Mountie's Avatar
    Mountie is offline Cadillac Owners Enthusiast
    Automobile(s): '93 STS (sold), now looking for a CTS Wagon soon!!
    Join Date
    Jul 2005
    Bradenton, Fl

    'Check Brake Fluid' Warning

    On my '93 STS - North*.......

    First, I had , " Check Brake Fluid"
    Second, I also had "Traction Control Disabled"
    Third, the "ABS" problem logo lit up, along with the "Brake" logo lit up.

    ( I thought, "What the hell?" )

    I filled the brake reservoir up 1" ( it was a tad low).

    As I drove, the warnings came back on. I shut off the ign., they went off, them back on again..... ALL of them!!

    I UN-PLUGGED the harness plug to the brake reservoir, then plugged it back in, and then the warnings stopped.

    So, if your fluid gets low, fill it, unplug then plug back in, the harness.

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  3. #2
    ewill3rd is offline Cadillac Technician
    Automobile(s): none
    Join Date
    Nov 2005

    Re: 'Check Brake Fluid' Warning

    If the lights come back on again, you might be having a problem with the float in the reservoir. I have seen a couple go bad, the float doesn't float or gets stuck in the housing and causes the sensor to read low fluid.
    Those other systems are disabled if the fluid level is detected as low.

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