A poor electrical ground under the battery tray may cause the ABS warning light to illuminate. Our technicians tell us that cleaning and properly securing this ground and also the main ABS ground on the frame rail below the drivers door may be necessary.
Yukon XL 1500
Average mileage: 157,134 (80,000–250,000)
20 people reported this problem
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ABS PARK BRAKE LIGHTS ON ALL THE TIME
The ABS light and BEEPER comes every time the Yukon is started. Beeps loudly 15 times. How can we repair this?
grounds under driver door. bad location for a ground.
Haven't fixed it yet. But going to give it a try.
light comes and goes. Mostly stays on...