DTC Detection Logic
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| U0101 | LOST COMM (ATCU) (Lost communication with TCM) | ECM cannot receive a CAN communication signal from TCM for 2 seconds or more in a row. | Harness or connectors (CAN communication line is open or shorted) |
| ECM cannot receive a CAN communication signal from TCM for a short period of less than 2 seconds. | Harness or connectors (Intermittent malfunction in the CAN communication circuit) |