Possible Cause
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0030
- Harness or connectors [A/F sensor 1 heater (bank 1) circuit is open or shorted.]
- A/F sensor 1 heater (bank 1)
DTC P0050
- Harness or connectors [A/F sensor 1 heater (bank 2) circuit is open or shorted.]
- A/F sensor 1 heater (bank 2)