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I need help i am master tech diagnostic I have colorado 2008 3.9 engine the truck is not starting and i have code b1443 and b1373 and u1000 in the BCM i have no other code in pcm I did all the test whith the ignition and th resistance i did and the check at the bcm for 12volts and ground
i have programme to check the bus can and it say bus can open 3 and 11
I did all the test to ignition and evry thing is good this switch is not working whith voltage
to long respond