DTC Detection Logic
| DTC No. | CONSULT screen terms (Trouble diagnosis content) |
DTC detecting condition | Possible cause |
|---|---|---|---|
| U1001 | CAN COMM CIRCUIT (CAN communication circuit) |
When ECM is not transmitting or receiving CAN communication signal other than OBD (emission related diagnosis) for 2 seconds or more. | Harness or connectors (CAN communication line is open or shorted) |