Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Saturn Ion Red Line, 2007 Saturn Ion 3, and 2007 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | Electronic Control Unit (ECU) Performance |
| DTC B1001 | Option Configuration Error |
| DTC B1004 | Electronic Control Unit Identification Circuit |
| DTC B1009 | EEPROM Checksum Mismatch |
| DTC C0550 | Electronic Control Unit (ECU) Performance |
| DTC U0073 | Controller Area Network (CAN) Bus Communication |
| DTC U0100-U0299 | Lost Communication With Engine Control |
| DTC U1000 and U1255 | Data Link Malfunction |
| DTC U1001-U1254 | Lost Communications With Powertrain Multiple Control System |
| DTC U1300, U1301, or U1305 | Class 2 Data Link |
| DTC U2100 | Controller Area Network (CAN) Bus Communication |
| DTC U2105-U2199 | Lost Communications With Engine Control System |