Code P1904 Possible Causes
Engine Coolant Hydraulic Blower Motor Solenoid circuit poor electrical connection
Engine Coolant Hydraulic Blower Motor Solenoid harness is open or shorted
Faulty Engine Coolant Hydraulic Blower Motor Solenoid
Code P1904 Possible Causes
Engine Coolant Hydraulic Blower Motor Solenoid circuit poor electrical connection
Engine Coolant Hydraulic Blower Motor Solenoid harness is open or shorted
Faulty Engine Coolant Hydraulic Blower Motor Solenoid