P1155 — Toyota — Air/Fuel Sensor Heater Circuit Bank 1 Sensor 2

P1155 (Toyota): Air/Fuel Sensor Heater Circuit Bank 1 Sensor 2 — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Air/Fuel Sensor Heater Circuit Bank 1 Sensor 2. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain