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P0031 Diagnostic Trouble Code Discussion for December 2007

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
2002 Nissan Sentra CA 1.8L MIL Lamp on VIN: 3N1CB51D92
P0031: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Low Voltage. ... ohmed heater circuit, came back as o.l. install o2 sensor cleared code car left. car came back month later. had a p0600, comm. failure between tcm and pcm, check continuity in wiring, all checked good. clear once again. now car has returned again and now h...
December 12, 2007
2006 Dodge Dakota SLT 3.7L MIL Lamp on VIN: 1D7HW42K66
P0031: Heated Oxygen Sensor (Bank 1 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