VOLVOUU All Engines (2017 Emissions) Fault Code: P052607 PID: EMS Fan Speed Sensor Circuit
The auxiliary fan provides extra engine cooling based on requests from the engine control module (ECM)
Conditions for diagnostic trouble code (DTC):
1) Engine cooling fan, does not reach expected speed
Observable symptoms
1) Engine fan constantly engaged
2) Engine fan permanently disengaged
Probable cause
1) Engine cooling fan
2) Fan bearing
3) Fan clutch
4) Fan belt
5) Engine control module (ECM)
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