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P0051 Diagnostic Trouble Code Discussion for June 2014

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
2005 Jeep Wrangler Unlimited 4.0L MIL Lamp on VIN: 1J4FA44S25
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low. Hope some tachs have seen this problem. Jeep started out intermited but now is setting on start up. Clear codes and start they come back as soon as engine runs for a very short time. Unplugged pcm and tested each heater circuit by ohms each one read 5.1 to 5.7...
June 27, 2014
2005 Jeep Wrangler Unlimited 4.0L MIL Lamp on VIN: 1J4FA44S25
P0051: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low. Hope some tachs have seen this problem. Jeep started out intermited but now is setting on start up. Clear codes and start they come back as soon as engine runs for a very short time. Unplugged pcm and tested each heater circuit by ohms each one read 5.1 to 5.7...
June 30, 2014