Circuit/System Description
WARNING: This page is about a different car, the 2022 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
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.