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P0051 Diagnostic Trouble Code Discussion for March 2010

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
2001 Dodge Durango 4.7L MIL Lamp on VIN: 1B4H328N71
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Control Circuit Low Voltage. Will set code after clearing with in 1/2 mile . Tested all circuits and grounds and all are good. I can NOT do as trouble chart requires in first step. Which is moniter o2 heater voltage for 5 minutes. I only have a genisyis scan tool and a lab scope. It requi...
March 03, 2010
2006 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1D7HW48NX6
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage. dtc will clear with sensor disconnected. checked controll circuits all 4 o2 sensor heater controll circuits for short to ground all ok tested heater no heater controll from computer will run heater .5 sec then voltage drops to 0v .fail safe? with 02 sensor ins...
March 17, 2010
2003 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDBT44A23
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Input. ... sequoia with Mil on P0051 and TRAC/VSC light on C1203 and C1360. The code definition says something about pressure sensor. I am not familiar with Toyota traction control on this truck. I noticed some pressure sensors on the master cylinder and vacum booste...
March 24, 2010
2001 Dodge Durango 4.7L MIL Lamp on VIN: 1B4H328N71
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Control Circuit Low Voltage. Will set code after clearing with in 1/2 mile . Tested all circuits and grounds and all are good. I can NOT do as trouble chart requires in first step. Which is moniter o2 heater voltage for 5 minutes. I only have a genisyis scan tool and a lab scope. It requi...
March 03, 2010
2006 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1D7HW48NX6
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage. dtc will clear with sensor disconnected. checked controll circuits all 4 o2 sensor heater controll circuits for short to ground all ok tested heater no heater controll from computer will run heater .5 sec then voltage drops to 0v .fail safe? with 02 sensor ins...
March 17, 2010
2003 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDBT44A23
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Input. ... sequoia with Mil on P0051 and TRAC/VSC light on C1203 and C1360. The code definition says something about pressure sensor. I am not familiar with Toyota traction control on this truck. I noticed some pressure sensors on the master cylinder and vacum booste...
March 24, 2010