DTC Detection Logic
WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- If DTC P1612 is displayed with DTC U1000 (for BCM), first perform the trouble diagnosis for DTC U1000. Refer to
"DTC LOGIC
".
- If DTC P1612 is displayed with DTC U1010 (for BCM), first perform the trouble diagnosis for DTC U1010. Refer to
"DTC LOGIC
".
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P1612 |
CHAIN OF ECM-IMMU |
Inactive communication between ECM and BCM |
- Harness or connectors (The CAN communication line is open or shorted.)
- BCM
- ECM
|