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2004 GMC Sierra 1500

 

Question: why is my service brake system light on ??

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d3e3, Lexington, SC, August 15, 2011, 16:57
 Rookie

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

    chinasinoy August 16, 2011, 04:23
    Profile_thumbnail
     Journeyman

    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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