GMC Sierra 1500 Problem Report

GMC Sierra 1500 ABS Light Due to Poor Electrical Ground Under the Battery Tray

(13 reports)

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.

ABS and or brake light randomly appears then goes away -
ABS dash lite comes on sometimes while driving on roads. Hit a bump and the lite may come on or go off. Turnong inig. key will sometimes reset lite to off. May be corrosion problems with speed sensors???? -
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