P0155: Heated O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1)
What does the P0155 Heated O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1) mean? P0155 code gets triggered when the Engine Control Module detects a fault in the heater circuit of the oxygen sensor. Specifically, we’re talking about the oxygen sensor heater circuit for Bank 2, Sensor 1. When the P0155 Triggers? Your vehicle’s…
