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Volvo All Engines (2017 Emissions) Fault Code: P051A01 PID: EMS Crankcase Pressure Sensor
Volvo All Engines (2017 Emissions) Fault Code: P051A01 PID: EMS Crankcase Pressure Sensor
The Crankcase Pressure Sensor is used to detect crankcase pressure system failures. The sensor consists of a pressure sensitive diaphragm and amplifier. Crankcase pressure causes the sensor’s diaphragm to deflect and produce an electrical signal proportional to the pressure. The diaphragm deflection signal is amplified in the sensor.
The engine control module (ECM) will set a diagnostic trouble code (DTC) if the sensor signal is not within predetermined limits. The ECM can also disable the engine brake, derate or shut down the engine to avoid engine damage.
The sensor’s signal is monitored by the Engine Control Module (ECM).
Conditions for diagnostic trouble code (DTC):
1) Data valid but below operational range
Probable cause
1) Connector
2) Crankcase pressure sensor
Volvo All Engines (2017 Emissions) Fault Code: P050E00 PID: EMS Cold Start Engine Exhaust Temperature Too Low
Volvo All Engines (2017 Emissions) Fault Code: P050C00 PID: EMS Cold Start Engine Coolant Temperature Performance
Volvo All Engines (2017 Emissions) Fault Code: P050700 PID: EMS Idle Control System – RPM Higher Than Expected
Volvo All Engines (2017 Emissions) Fault Code: P050600 PID: EMS Idle Control System – RPM Lower Than Expected
Volvo All Engines (2017 Emissions) Fault Code: P050200 PID: EMS Vehicle Speed Sensor “A” Circuit Low
Volvo All Engines (2017 Emissions) Fault Code: P050013 PID: EMS Wheel-Based Vehicle Speed