P0155 Code Meaning, Causes, Symptoms & Tech Notes
What causes a P0155 code? Possible causes include a faulty oxygen sensor, damaged wiring or connectors, a blown fuse, or issues with the engine control module (ECM).
P0155 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 2 ...
Jun 3, 2024 · Triggered the P0155 code? Concerned about what needs fixing in your car? Learn about this code's meaning, possible causes, common symptoms, and solutions.
P0155 Code? Here’s How to Fix It – Quickly and Easily
Jan 3, 2026 · When you’re dealing with a P0155 code, it’s likely that the Bank 2 Sensor 1 has failed and needs replacement. Sensor replacement is a key step in resolving Bank issues, as a faulty O2 …
P0155 Code Causes & Fixes - O2 Sensor Heater Circuit - Bank 2 ...
Jan 22, 2024 · If you use an OBD-II scanner or have a professional technician look over your engine and it's displaying a P0155 code, you’re in the right place. We’ll take you through what a P0155 code is, …
OBD-II Trouble Code: P0155 Oxygen O2 Sensor Heater Circuit ...
Description of vehicle trouble code P0155 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank2, Sensor1)
How To Fix P0155? | Heated O2 Sensor Heater Circuit ...
Aug 25, 2024 · 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 …
P0155 – Heated oxygen sensor (HO2S) 1, bank 2, heater control ...
Nov 23, 2015 · Code P0155 stands for Oxygen O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1). This indicates the PCM has detected a problem with the bank 2 oxygen sensor.