Thread: Disconnecting battery to erase codes?
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Old 10-21-2004, 12:49 PM   #1
hunter01
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Disconnecting battery to erase codes?
I attended a GM CCC course in 1991 and was taught that to erase the trouble codes you should disconnect the battery. I see from reading other threads that this is no longer true. Does anyone know what model-year this changed?
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