Mike's Workshop Manuals: Service manuals for every vehicle
Home >> GMC >> 2013 >> Yukon Base, 4WD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control System - Suspension Leveling >> Diagnostic Information and Procedures >> DTC C0712 >> Circuit/System Verification

Circuit/System Verification

Engine running, command the compressor relay ON with a scan tool. Listen for the operation of the ALC relay and the automatic level control compressor.