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P0031 Diagnostic Trouble Code Discussion for January 2011

Air Fuel Sensor (Bank 1 Sensor 1) Heater Control Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0031
Help Request Posted
2004 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48SX4
P0031: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage. ... of the sudden is setting o2 codes. Codes P0031, P0051, P0136. Clear the codes and they immediately reset. Vehicle runs perfect all the time. I found a TSB that addresses this problem calls for a reflash of the PCM. Recommended customer send to dealer for t...
January 31, 2011
2004 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48SX4
P0031: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage. ... of the sudden is setting o2 codes. Codes P0031, P0051, P0136. Clear the codes and they immediately reset. Vehicle runs perfect all the time. I found a TSB that addresses this problem calls for a reflash of the PCM. Recommended customer send to dealer for t...
January 31, 2011