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

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
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
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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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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