DTC Detection Logic
WARNING: This page is about a different car, the 2013 Infiniti M56. 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 |
|---|---|---|---|
| P1220 | FPCM (Fuel pump control module) | During engine cranking, the signal voltage of the FPCM to the ECM is too low. |
|