DTC Detection Logic
| DTC (On board display) |
Trouble diagnosis name | DTC detecting condition | Possible causes |
|---|---|---|---|
| U0401 (120) |
ECM CAN CIR1 | If ICC sensor integrated unit detects an error signal that is received from ECM via CAN communication | ECM |
NOTE:
If DTC "U0401" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to DTC LOGIC .