ABS Light Due to Poor Electrical Ground Under the Battery Tray on Chevrolet Tahoe

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.

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Average mileage: 158,740 (70,000–297,000)
7 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006
14 people reported this problem
3 people shared problem details
abs sensor light is on
Defroster, heater, window use will cause ABS and Brake light to go off as well as beep.
abs LIGHT GOES ON AND THEN THE BRAKE LIGHT WILL FLICKER ALSO CAUSING THE TRANNY TO DISENGAGE- NOT FUN.
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