Volvo All Engines (2017 Emissions) Fault Code: P048312 PID: EMS Fan Performance

Volvo All Engines (2017 Emissions) Fault Code: P048312 PID: EMS Fan Performance

Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A14.EB:49 is above normal value

Diagnostic operating conditions
1) Ignition key in ON position

Observable symptoms
1) High fuel consumption
2) Engine fan constantly engaged

Probable cause
1) Engine coolant temperature sensor
2) Short circuit to battery voltage
3) Connector
4) Wiring harness
5) Engine control module (ECM)