VOLVO
ECM-P055B00 - Engine Oil Pressure Sensor/Switch "B" Circuit Range/Performance. General Failure Information. No sub type information
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
8 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (8)
- Volvo S60 (2011–)2014–2015Engine B4204T10, B4204T11, B4204T12, B4204T15, B4204T9, D4204T5 only
- Volvo S80 (2007–)2014–2015Engine B4204T11, B4204T12, B4204T15, D4204T5 only
- Volvo V40 (2013–)2015Engine B4204T11, D4204T14 only
- Volvo V40 Cross Country (2013–)2015Engine B4204T11, D4204T14 only
- Volvo V60 (2011–)2014–2015Engine B4204T11, B4204T12, B4204T15, B4204T9, D4204T5 only
- Volvo V70 (2008–)2014–2015Engine B4204T11, D4204T5 only
- Volvo XC60 (2009–)2014–2015Engine B4204T10, B4204T11, B4204T12, B4204T15, B4204T9, D4204T5 only
- Volvo XC70 (2008–)2014–2015Engine B4204T11, D4204T5 only
What does this fault code mean?
The ECM reads oil pressure through the combined oil pressure and oil temperature sensor. The fault is stored when the module detects an internal fault in the sensor, which means the fault lies in the sensor itself. The module then uses a fixed oil pressure value instead of the measured one.
Possible causes
- The combined oil pressure and oil temperature sensor is damaged
What you can do
- 1Check that the fuses are intact
- 2Check that the connector to the sensor is firmly seated and not corroded
- 3If you have diagnostic equipment: read the oil pressure in live data with the engine idling and when the revs are raised, and check whether the value changes
- 4Clear the code and road test the car. If the code comes back, the sensor is probably damaged
- 5Have a workshop check the combined oil pressure and temperature sensor and replace it if it is damaged
Symptoms you may notice1
- No noticeable symptoms for the driver
What the fault can affect1
- The control module uses a fixed oil pressure instead of the measured value
General guidance for car owners. Diagnosis on the car can point to a different cause.