VOLVOUU All Engines (2017 Emissions) Fault Code: P01B901 PID: EMS Engine Oil temperature Sensor “B”

VOLVOUU All Engines (2017 Emissions) Fault Code: P01B901 PID: EMS Engine Oil temperature Sensor “B”

Diagnostic operating conditions
1) Ignition key in ON position

Observable symptoms
1) High fuel consumption
2) The engine coolant temperature (ECT) gauge shows 0
3) Engine fan constantly engaged
4) Less powerful engine since the fan takes power from the engine

Probable cause
1) Connector
2) Wiring harness
3) ECM – Engine Control Module
4) Engine Oil Temperature Sensor “B”