P1120 — Volkswagen — Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Open

P1120 (Volkswagen): Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Open — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Open. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain