P1052 — Infiniti — Heated Oxygen Sensor Heater Circuit High Input Bank 2

P1052 (Infiniti): Heated Oxygen Sensor Heater Circuit High Input Bank 2 — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

The bank 2 oxygen sensor heater circuit is reporting high voltage readings. Manufacturer-specific definition; confirm applicability in the service information for the exact vehicle.

Affected system: Powertrain