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Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 1039 (Suspension Control System - Automatic Level Control) >> Diagnostic Information and Procedures >> DTC C0712 (With F55) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, command the compressor relay ON with a scan tool. Listen for the operation of the ELC CMPRSR relay and the automatic level control compressor.