Question about 2001 GMC Jimmy

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ABS and brake warning light is on

My Abs and brake warning light is coming on. Sometimes I crank up and it comes on but sometimes it doesn't. I've checked the fuses, and I've had someone check the brakes and rotors but I was told they were in good condition. I checked the brake fluid and its okay. I'm trying to figure out is there any other reason the sensor is suggesting something is wrong within my brake system. So confused.

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  • 2 more comments 
  • 8707 Sep 08, 2008

    Does the rear mounted upper brake light have anything to do with this problem, I have the same sensor issue and my upper brake light is also not working

  • mrtnzj222 Sep 22, 2008

    My ABS and brake warning light comes on a few minutes after vehicle start up. Break pads are in good condition. Is this problem worth getting repaired?

  • Anonymous Mar 12, 2014

    faulty hand brake warning light keeps coming on but hand brake is working okay

  • Anonymous Mar 17, 2014

    Brake warning light came on. Added brake fluid to reservoir and saw brake fluid dripping on the driveway the next day.

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It could be that the wheel sensor is either defective or it is not close enough to the rotor to read. if your not having a issue with braking under driving conditions i would jack the vehicles wheels off the ground and remove them then take brake clean and spray the sensor pick ups to remove any dirt or brake dust. also make sure that the plugs and wires to the sending units are ok also they should be no more than .050 of an inch away from the rotor you can use a feeler gauge to check this. please rate this

Posted on Sep 02, 2008

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These details will help.

Thanks.

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