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P0051 Diagnostic Trouble Code Discussion for December 2007

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
2006 Dodge Dakota SLT 3.7L MIL Lamp on VIN: 1D7HW42K66
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage. ... circuts p0031,p0037,p0051,p0057. truck is from body shop, was damaged in front. tested o2 heater resistance at pcm plugs, pin#s c2/17,c2/18,c3/9,c3/10, to ground, heater circut measured 4.3 ohms on each circut. spec says 2.0 to 30.0 at 70 degrees so i woul...
December 21, 2007