VOLVOUU All Engines (2017 Emissions) Fault Code: P052612 PID: EMS Fan Speed Sensor Circuit
Circuit description
The auxiliary fan provides extra engine cooling based on requests from the engine control module (ECM)
Conditions for diagnostic trouble code (DTC)
Engine running
The voltage at pin A14.EA:35 is more than 65 % battery voltage
Observable symptoms
Fan noise
The fan will either be fully engaged or fully disengaged. Engaging and disengaging will however take some time.
High fuel consumption
Engine cooling fan, does not reach expected speed
Probable cause
1) Fan speed sensor
2) Wiring harness
3) Connector
4) Engine control module (ECM)
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