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

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.

RepairPal Verified
Average mileage: 139,800 (58,000–200,000)
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
12 people reported this problem
2 people shared problem details
Everytime you hit bump ABS light comes and goes
5 people like thisFlag inappropiate
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