Description:

OBD-II Trouble Code Description for P0138 Volvo

O2 Sensor Circuit High Voltage

What does this mean?

OBD2 Code P0138 Volvo definition:
The Heated Oxygen Sensor (2) located rear of catalytic converter produces an output signal relative to oxygen storage capacity of catalytic converter. Ho2S 2 signal is less active than signal produced by front oxygen sensor. This code sets when HO2 Sensor voltage is greater than 999 mV for more than 2 minutes (time depends on model. Could be as high as 4 minutes)

Symptoms

Possible sumptoms of OBD code P0138 Volvo
There may be no noticeable symptoms except for MIL illumination. Possible high fuel pressure can over rich the system.

Causes

Possible causes of OBD code P0138 Volvo
A code P0138 Volvo may mean that one or more of the following has happened: Faulty O2 sensor Short to battery voltage in O2 sensor signal circuit High fuel pressure (not as likely)

Possible Solutions

Here are some potential solutions: Replace O2 sensor Repair short to battery voltage in o2 sensor signal circuit

The OBD2 Code Information Be Applicable For Volvo:

2013 Volvo V40,2012 Volvo XC60,2011 Volvo XC90,2011 Volvo V60,2011 Volvo S60,2011 Volvo C30,2010 Volvo S80L,2010 Volvo S80,2010 Volvo C70,2010 Volvo C30,2009 Volvo XC60,2009 Volvo V50,2009 Volvo S60,2009 Volvo S40,2009 Volvo C30,2008 Volvo XC70,2008 Volvo V70,2008 Volvo V50,2008 Volvo S40,2007 Volvo V70,2007 Volvo S80,2007 Volvo S60,2007 Volvo C70,2007 Volvo C30,2006 Volvo XC90,2006 Volvo S80,2006 Volvo C70,2005 Volvo V50,2005 Volvo S60,2004 Volvo XC90,2004 Volvo V70,2004 Volvo V50,2004 Volvo V40,2004 Volvo S40,2003 Volvo V70 R,2003 Volvo S80,2003 Volvo S60 R

Note:

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