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2004 GMC Sierra 1500 Question: why is my service brake system light on ??



d3e3, Lexington, SC, August 15, 2011, 19:57

also ABS & park brake lights on.
Problem occurs while driving. Will reset when I turn key off
and start the engine back up and thens comes back on 5 to 10 miles later

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  • Answer #1

    August 16, 2011, 07:23

    Well, it could mean that the emergency brake has not been fully released.The ABS system light is on if something has occurred within the ABS system. Something faulty may have happened there, get it checked out!

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