Patrol P0155: O2 Sensor – Heating Element Failed (Bank 2 – Sensor 1)
P0155 is a very common OBDII code that occurs in the Patrol. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 2 sensor 1. The purpose of the heated element in the oxygen sensor is to quickly bring your O2 sensor up to normal operating temperature after the … Read more