Car Problem Reports

GMC Sierra 2500 HD ABS Light Due to Poor Electrical Ground Under the Battery Tray

GMC Sierra 2500 HD Problem
11 Reports
Me Too

Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006, 2007

Average Mileage: 160,250 mi (120,000 mi - 200,000 mi)


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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