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Thread: ABS and parking brake lights on

  1. #1
    Registered Member

    2003 mazda protege es

    Join Date
    Jul 2012

    ABS and parking brake lights on


    My 2003 Protege ES 2.0 L has the ABS and parking brake lights on all the time. Had the codes checked and came up with this:

    • C1186: Antilock brake system power relay open circuit
    • C1175: LR WSS input circuit malfunction
    • C1233: LF WSS input missing signal
    • C1236: LR WSS input missing signal

    Any ideas for where i could start to identify the problems? I'm trying to keep my costs down as much as possible.
    Last edited by evan95; 07-15-2012 at 07:57 PM.

  2. #2
    Registered Member concept's Avatar

    2014 Mazda3 S GT auto, 2008 MX5 6-speed

    Join Date
    Mar 2009
    San Diego
    It looks like there is a connector that is disconnected. See if you can find the brake relay and check all connections. Also, see if there are any breaks in the cable. My son's air conditioning harness wiring was getting cut by a rabbit that liked to live under the hood.
    2014 3S GT, Deep Crystal Blue, Eibach Pro-Kit
    2008 MX-5 Touring (Mazdaspeed CAI, HIDs, Progress/Koni/Racing beat sways, glass pack)
    2002 Protege ES (no mods. but among the best-handling stock cars I've ever driven)

  3. #3
    Registered Member

    2002 Protege ES; 2004 MPV ES

    Join Date
    Sep 2012
    My 2002 Protege ES also has the ABS and brake lights on. It started intermittently, but now constant. Seems like this is a common problem, as a little google search did find many people reporting this problem.

    The mechanic said will need to change the ABS sensor/module and is looking into the pricing.

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