03 Tahoe

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bakdrft

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BCM may need to be replaced. Can I just unplug it and replace with new?
 

samotahoe

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and you might need to bleed the system. you have some hard lines that go to the BCM. but these trucks are notorious for the connector to come loose. I would check that first.
 

bakdrft

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Sorry guys, Mechanic say I must reprogram.... Sooo I need take to dealer for that.
 
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