P0155 Code: Oxygen Sensor Heater Circuit Malfunction (Bank …
Oct 29, 2021 · DTC P0155 stands for ”O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1).” It’s logged when the PCM receives an unexpected voltage condition or excessive current drawn on the heater circuit of the O2 sensor in bank 2.
Code P0155 O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 1
The P0155 code indicates a malfunction in the O2 sensor heater circuit for Bank 2 Sensor 1. This sensor is responsible for monitoring the oxygen levels in the exhaust gases and providing feedback to the engine control module to adjust the air-fuel mixture for optimal combustion.
P0155 Code – What Does It Mean & How To Fix It - OBD2PROS
A P0155 trouble code is defined as “02 Sensor Heater Circuit Malfunction in bank 2, sensor 1. When the P0155 code is showing up on your OBD-II scanner, it indicates that the heater element of the oxygen sensor is taking a longer time than it normally should heat up.
P0155 Code Causes & Fixes - O2 Sensor Heater Circuit - Bank 2 …
Jan 22, 2024 · We’ll take you through what a P0155 code is, the symptoms and causes, and how to diagnose the problem. What Is a P0155 Code? A P0155 engine code is triggered when your engine’s power control module (PCM) identifies a problem with its connection to your vehicle’s heated oxygen sensors.
P0155 Code: Meaning, Symptoms, Causes & Fixing - Mechanical …
What Does the P0155 Code Mean? The P0155 trouble code is triggered when the powertrain control module (PCM) monitors a short in circuit or excessive resistance in the heater circuit of your vehicle’s Bank 2 heated oxygen sensor.
P0155 – Meaning, Causes, Symptoms, & Fixes - FIXD
Mar 29, 2022 · Code P0155 occurs when the powertrain control module tests the upstream heated oxygen sensor’s heater circuit on Bank 2 and detects a short in the circuit or excessive resistance in the heater circuit.
P0155 Code: O2 Sensor Heater Malfunction (Causes and How to Fix)
Nov 2, 2023 · Typically all you need to do to fix a code P0155 is replace the faulty oxygen sensor. However, before you start replacing sensors, keep in mind that it could be an electrical problem. Check the wiring and test for power at the sensor to ensure that’s not the problem.
p0155 Code - O2 Sensor Heater Circuit - Bank 2 Sensor 1 | KBB
The P0155 code occurs when the Power Control Module (PCM) tests the upstream heated oxygen sensor’s circuit on Bank 2, or one side of a V-configured engine like a V6 or a V8, and detects a...
P0155 Trouble Code: Meaning, Symptoms, Causes & Fixes
May 28, 2024 · The P0155 trouble code indicates that there is an issue with the heater circuit in the oxygen sensor (O2 sensor) located on Bank 2, Sensor 1 of your vehicle. The O2 sensor measures the amount of oxygen in the exhaust gases as they leave the engine, helping to regulate the fuel-to-air ratio.
P0155 O2 Sensor Heater Circuit Malfunction (B2S1) - OBD-Codes.com
Although generic, the specific repair steps may vary depending on make/model. This code refers to the front oxygen sensor on Bank 2. The heated circuit in the oxygen sensor decreases time needed to enter closed loop.
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