The chassis control module has an internal fault.
Informational only. Consult a qualified mechanic.
Have the chassis control module diagnosed and replaced if needed.
The C0550 OBD-II diagnostic trouble code (DTC) indicates: ecu malfunction (chassis). This is a high-severity chassis code that your vehicle's onboard diagnostics system triggers when the chassis control module has an internal fault. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
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