Electronic Suspension Control

DTC C0557

DTC Descriptor

DTC C0558 4A: Calibration Data Not Programmed. - Checksum error.

Diagnostic Fault Information

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

Circuit/System Description

The electronic suspension control (ESC) module performs checks of internal calibration data. If a fault condition is detected, the ESC module will set the fault DTC, and may, depending upon the fault type, turn ON the SERVICE SUSPENSION SYSTEM message. Recovery from any controller fault condition is attempted only after the ignition is cycled ON and OFF.

Conditions for Running the DTC

Ignition ON.

Conditions for Setting the DTC

- The DTC is set when any calibration faults internal to the ESC module are detected.
- The fault is detected during 3 consecutive ignition cycles, or during the same ignition cycle after clearing the DTC with the scan tool.

Action Taken When the DTC Sets

- The ESC module disables all ESC functionality.
- The ESC module sends a message to the instrument panel cluster (IPC) to display the SERVICE SUSPENSION SYSTEM message.

Conditions for Clearing the DTC

A history DTC will clear when the ESC no longer senses the malfunction and the ignition is cycled ON and OFF..

Circuit/System Verification

Verify that DTC C0558 is not set.
-> If the DTC, is set replace the ESC.