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05 2500hd Service 4wd

rrk65

By rrk65
in Ask A GM Technician

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rrk65 New Member

rrk65

Posted
Posted

Hello All, this morning my Service 4WD came up on the info center and none of the buttons are lit. Normally the 2Hi button is illuminated. Any suggestions as to what this may be?

 

Regards

vettehaulr Enthusiast

vettehaulr

Posted
Posted

Rich, try going to the Tech-Wiki tab and look at the second page, it looks like there is a bulletin that may affect your truck. -rob

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