Home >> Cadillac >> 2002 >> Eldorado ECS >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Electronic Suspension System - Road Sensing Suspension >> Diagnostic Information and Procedures >> DTC C0690: Damper Control Relay Circuit Malfunction; C0691: Damper Control Relay Circuit Range; C0693: Damper Control Relay Circuit High >> Conditions for Running the DTC