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Home >> Buick >> 2021 >> Envision Essence, AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Controls System >> Diagnostic Information and Procedures >> DTC C103C-C103F >> Circuit/System Description

Circuit/System Description

The K19 Suspension Control Module supplies a 5 V reference signal to each B11 Suspension 4 Corner Leveling System Position Sensor. The B11 Suspension 4 Corner Leveling System Position Sensor/B152 Rear Suspension Automatic Forward Lighting Level Positions Sensor supply a signal of 0.5 - 4.5 V to the K19 Suspension Control Module. The sensors are also grounded through the K19 Suspension Control Module.