DTC Detection Logic
When ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) with TCM for 2 seconds or more.
| DTC | CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| U0101 | LOST COMM (TCM) (Lost Communication with TCM) |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | ||
| Threshold | ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) with TCM. | ||
| Diagnosis delay time | 2 seconds or more | ||