My 2007 Chevrolet Silverado 1500 is coding service four wheel drive, scanned it and got code CO 379, Front axle open circuit symptom 04
Service four wheel drive comes on when I start truck, I can turn truck off and
clears the warning. I scanned it today and got code CO379, Front Axle open
circuit ( symptom 04)
Either the actuator on the front axle is bad. Or there is a broken wire or a loose connector. I dont see too many bad switches. I suspect a broken wire down near the front of the axle near the bracket that holds the connector. The switch is a large black or white cylinder that is on the passenger side axle tube near the differential housing.
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