Code 56 need help - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-09-2007, 12:34 AM   #1
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Default Code 56 need help

does any one know what these means Quad-Driver " B " Fault I pulled this code from my car earlier today..it was a code 56
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Old 08-09-2007, 12:41 AM   #2
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I don't know what it is. But sometimes I get that fault when I've got the scan tool on and touch the brakes.
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