P1904 Code – Engine Coolant Hydraulic Blower Motor Solenoid Open Circuit Short To Ground

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

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