Volvo All Engines (2013 Emissions) Fault Code: P028A15 PID: EMS Charge Air Cooler Cooling Fan Control

Volvo All Engines (2013 Emissions) Fault Code: P028A15 PID: EMS Charge Air Cooler Cooling Fan Control

Conditions for diagnostic trouble code (DTC):
1) High value of the PWM signal

Observable symptoms
1) Engine cooling fan, does not activate
2) Poor cooling

Probable cause
1) Wiring harness
2) Engine cooling fan