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2002
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Eldorado ECS
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Repair and Diagnosis
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Suspension
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Electronic Suspension
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Electronic Suspension System - Road Sensing Suspension
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Diagnostic Information and Procedures
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DTC C0550: ECU Malfunction - Internal Write/Checksum Malfunction
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Conditions for Setting the DTC
Conditions for Setting the DTC
The DTC is set when the CVRSS module detects an internal hardware fault.
The fault is detected during three consecutive ignition cycles, or during the same ignition cycle after clearing the DTC with the scan tool.