ABS and Parking Break dash indicator lights stay on
2002 Yukon SLE; ABS and Parking Brake indicator lights on the dash come on after about 1 minute and stay on. There are no obvious issues with the vehicle operation or stopping. The old girl has about 170K miles and still has the original brake pads! They seem to be in good shape, no excessive wear, no wear indicator squeal. Had the vehicle serviced and checked over thoroughly at 130K miles; everything checked out good. Any suggestions on what to do to get the indicator lights to go out??
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The ABS light illuminates when there is an "out of specification" condition. From your description, it sounds like your parking brake cable may require tightening, or there may be an issue where the rear brakes are not properly releasing when the parking brake is released. With car that is nearly 20 years old, it is not inconceivable that the rear brakes and parking brake assembly may require regular service.
A good first step would be to have error codes read out by a local mechanic or auto parts store. This may give you a better indication of the specific problem. In any case, ANY brake warning should be taken VERY SERIOUSLY and corrected IMMEDIATELY, as you may have a potentially dangerous potential of catastrophic brake failure. PLEASE GET THE ISSUE FIXED RIGHT AWAY!
First of all, the abs problem... NO do not start there, start with checking your brake fluid.. thats the number one cause for that light and no other lights on your dash to be on... if that is your problem fill it up and address the brake leak... brake fluid doesnt evaporate and your car doesnt use it up. if its low its going some where best way to do this is park on a clean surface or slide cardboard under your car pump your brakes 10 times and then examine the cardboard or move the car and look for wet spots that wernt there before or you could also have a friend lay on the ground a few feet back and look for drips while your pressing the brake pedal careful not to get any brake fluid in the eye it burns like no other... if you find a leak have it fixed if you dont it might still be a internal leak into the power brake booster and you should have someone look at it NORMALLY when you have a ABS problem with you car BOTH THE ABS LIGHT AND BRAKE LIGHT will be on not just one but the other awnsers could be correct too the brake indicator light does come on when the emergancy or parking brake is enabled try pulling the release and pull up on the parking brake pedal at the same time.. or if its a center parking brake push it all the way down with the button pushed
C0550 is the code for the ABS module. It is on the frame under the vehicle around the drivers door area. It is a module with all the brake lines coming from it. Reset the trouble codes and see if the problem returns. If it does, the module is not serviceable and will need to be replaced.
try to pull up on your parking brake pedal with your hand when light comes on. if this makes it go out u will need to adjust the parking brake switch under the pedal. or replace pedal spring that holds it up.
Typically, worn brake pads won't cause the warning light to come on. Some vehicles have a brake fluid sensor that can cause the light to come on. Also make sure the parking brake is completely releasing and if you have ABS, make sure everything is working there. Uneven brake pressure will certainly cause the brake light to come on, that's when the master cylinder is working a lot harder for one circuit (front or back) than it is for the other, indicating either low brake fluid level or damaged/worn wheel cylinders. If you can't find anything by examining the brakes, you may need to pay for a scan of the ABS computer.