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P0051 Diagnostic Trouble Code Discussion for April 2006

Air Fuel Sensor (Bank 2 Sensor 1) Heater Control Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0051
Help Request Posted
2003 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GX48S43
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage. ... light on. i checked the codes and they were a p0456, and a p0051 which is a O2 bank 2 sensor 1 heater circuit low code. i replaced the o2 sensor with two different ones and the code p0051 comes back right away. the heater circuit gets 12.5 volts when activ...
April 26, 2006
2003 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GX48S43
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage. ... light on. i checked the codes and they were a p0456, and a p0051 which is a O2 bank 2 sensor 1 heater circuit low code. i replaced the o2 sensor with two different ones and the code p0051 comes back right away. the heater circuit gets 12.5 volts when activ...
April 26, 2006