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P0138 Diagnostic Trouble Code Discussion for September 2005

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage


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Trouble Ticket Help Requests for DTC P0138
Help Request Posted
1999 Dodge Ram 1500 Truck 5.9L MIL Lamp on VIN: 3B7HF13Z0X
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. This code keeps returning shortly after clearing. I tested voltage with my Vantage meter at the O2 connector and found .171 and snapping at tan/white, B+ at grn/wht. The wierd voltages are 30+VDC at both the blk/grn and blk/wht. I went straight to the PCM term...
September 07, 2005
2001 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31D31
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Input (Rich Shift). the last time car was in here the b1s2 o2 was dead replaced sensor now its switching and light still came on I test drove with the modis and its switching properly I drove aprox 25miles light has not came on or seen a glitch in o2 readings...please help has an...
September 09, 2005
1999 Dodge Ram 1500 Truck 5.9L MIL Lamp on VIN: 3B7HF13Z0X
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. This code keeps returning shortly after clearing. I tested voltage with my Vantage meter at the O2 connector and found .171 and snapping at tan/white, B+ at grn/wht. The wierd voltages are 30+VDC at both the blk/grn and blk/wht. I went straight to the PCM term...
September 07, 2005
2001 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31D31
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Input (Rich Shift). the last time car was in here the b1s2 o2 was dead replaced sensor now its switching and light still came on I test drove with the modis and its switching properly I drove aprox 25miles light has not came on or seen a glitch in o2 readings...please help has an...
September 09, 2005