[amidgeha]

Fan 3 Control Circuit Low

The Engine Control Module (ECM) monitors the Cooling Fan 3 Control Circuit. The ECM sets the OBDII code when the Cooling Fan 3 Control Circuit is not to the factory specifications.

Cause:
Faulty Fan 3 Relay
Fan 3 Relay harness is open or shorted
Fan 3 Relay circuit poor electrical connection
Faulty Fan 3
Fan 3 harness is open or shorted
Fan 3 circuit poor electrical connection
Faulty Engine Control Module (ECM)

Symptoms:
Check engine light