What is the p0031 code for an oxygen sensor?
P0031 Code Definition 1 P0031 Generic: Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 1 2 P0031 Subaru: Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 3 P0031 Nissan: Heated oxygen sensor (HO2S) 1 Bank 1 – heater voltage low
What happens if you leave the p0031 code unsolved?
The most common result (s) are lower fuel economy and poor vehicle operation. However, if left unsolved, this code could increase the likelihood of your vehicle running rough and cause potential damage to other components of your vehicle.
What causes a p0031 DTC code on a heater?
A P0031 DTC trouble code may be caused by one or more of the following: A short or open in the heater circuit in the sensor A failed O2 sensor heater Wiring/connectors broken/frayed leading to sensor and/or relay To fix a P0031 DTC code, you’ll need to do a proper diagnosis.
What causes the p0031 low voltage error?
What would be the most likely cause of the P0031 low voltage error. This is an ’02 Altima 4 cyl… 2005 Jeep Wrangler TJ – 4.0 I6 P0031 02 (B1 S1) Heater Circuit Low P0037 O2 (B1 S2) Heater Circuit Low P0051 O2 (B2 S1) Heater Relay Circuit Low P0057 O2 (B2 S2) Heater Relay Circuit Low My vehicle has just over 116,000 miles on it.
What can cause a p0031 DTC trouble code?
A P0031 DTC trouble code may be caused by one or more of the following: A short or open in the heater circuit in the sensor. A failed O2 sensor heater. Wiring/connectors broken/frayed leading to sensor and/or relay. Failed PCM/ECM.
What does it mean when your OBD-II scanner says p0031?
If your OBD-II scanner indicates an error code P0031, this means that you have an issue with your O2 sensor number one. For many vehicles, this is also known as an air/fuel ratio sensor. Here are a few steps to help you our if you’re wondering, “How do I fix trouble code P0031?”
What does the ho2s code p0031 mean?
P0031 is the code for HO2S Heater Control Circuit Low (Bank 1 Sensor 1) What the P0031 code means P0031 code means for the engine to run correctly, the engine exhaust must have a specific air-fuel ratio of 14.7 to 1 as signaled by the heated oxygen sensors (HO2S) which detect the oxygen content of the vehicle exhaust.
What should I do if my OBD code comes back on?
P0031 is only diagnosed with an OBD-II scanner. The mechanic can reset the OBD-II code and do a test drive the vehicle to see if the code returns. If the code and the engine warning light come back on, the mechanic should check both power and ground to the sensor including inspecting the wiring and sensor.