DTC Descriptor
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic procedure supports the following DTC:
DTC C0550 Electronic Control Unit (ECU) Performance
This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description .
DTC C0550
| DTC Symptom | DTC Symptom Descriptor |
|---|---|
| 34 | RAM Failure |
| 35 | ROM Failure |
| 36 | EEPROM Failure |
| 37 | Watch Dog Mc Failure |
| 38 | Supervision Software Failure |
| 39 | Internal Electronic Failure |