P1153 Code: Easy Steps to Solve It
The P1153 trouble code is a diagnostic code related to the oxygen sensor (O2 sensor) performance in your vehicle’s emissions control system. This code specifically indicates an issue with insufficient switching of the heated oxygen sensor (HO2S) in Bank 2, Sensor 1. When your vehicle’s onboard computer, known as the Powertrain Control Module (PCM), detects that the oxygen sensor is not switching between rich and