Volvo Engine Code MID 128 SID 33 FMI 4

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Volvo Engine Code MID 128 SID 33 FMI 4

MID 128 SID 33 Fan Control Type of fault: FMI 4 FMI Description: • Voltage below normal, or shorted to low source Fault Condition: • Short to ground in the Cooling Fan control circuit • Output voltage is 1/3 the supply voltage Possible Symptoms: • Malfunction indicator lamp illuminated Possible Cause: • Broken Cooling Fan Actuator • Faulty Cooling Fan Actuator harness or connector