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Home >> Chevrolet >> 2013 >> Silverado 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 2313 (Data Communications System) >> Diagnostic Information and Procedures >> DTC U0077 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2012 GMC Sierra, 2012 GMC Cab & Chassis Sierra, 2012 Chevrolet Silverado, and 2012 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Diagnosis is accomplished using the symptom Scan Tool Does Not Communicate with High Speed GMLAN Device .