DTC Detection Logic
WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION TABLE
| DTC No. (On board display) | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| U0401 (120) | ECM CAN CIR1 | When a counter value of CAN signals received from ECM does not change. | ECM |
NOTE:
If DTC "U0401" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to DIAGNOSIS PROCEDURE
.