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P0051 Diagnostic Trouble Code Discussion for May 2009

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
2002 Nissan Maxima SE 3.5L MIL Lamp on VIN: JN1DA31D62
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Control Circuit Low. oxygen sensors replaced tested old sensor resistance good tested o2 sensor harness 12v present ecm ground control functioning cleaned and installed redundant ground straps pin tested all aplicable circuits at ecm all 4 codes return at once if i clear codes aft...
May 22, 2009