Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the C0690 Cadillac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
Battery voltage for the strut actuators is supplied to the Electronic Suspension Control (ESC) module through the damper drive relay circuit. The ESC module energizes the damper relay by opening and closing an internal ground for the damping relay coil control circuit. The ESC module monitors the damper drive relay circuit and each strut actuator high-side and low-side drive circuits for fault conditions.
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