DTC Detection Logic
WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. |
Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
| U1003 |
CAN COMM CIRCUIT (CAN communication line) |
- When ECM is not transmitting or receiving CAN communication signal.
|
- Harness or connectors (CAN communication line is open or shorted)
|