The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video, we explain what OBD2 code P0155 means and possible causes.
P0155 means the powertrain control module tests the upstream heated oxygen sensor’s heater circuit on Bank 2 Sensor 1 and detects a short in the circuit or excessive resistance in the heater circuit.
Heated oxygen sensors contain heating elements to help them get to operating temperature quickly in order to minimize the amount of time spent in open-loop operation (a fixed rich mixture).
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0:00 P0155 - Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
0:10 P0155 is caused when there is short or extensive resistance in the heating circuit of your O2 sensors
0:18 What do O2 Sensors do?
1:02 Possible Causes and Symptoms of P0155
1:26 Visit our blog to learn more about P0155
1:33 Happy Driving!
#FIXD #P0155 #checkenginelight
9 июл 2024
