P1491 Rad Fan Control Relay Circuit. An open or shorted condition detected in the radiator fan control relay control circuit. This includes PWM solid state relays.
I would guess that there is a short circuit or open circuit in the wiring that powers the e-fan, or the wiring that tells the PCM to turn the fan on. Check the wires and wire plug at the Coolant Temperature Sensor and test or replace the CTS.
Total US debt has increased by 70% under Obama, from $10.625 trillion on January 21, 2009 to $18.005 trillion January 1, 2015.
Progressive Liberalism: Bringing you new Healthcare ideas so wonderful, they have to include mandatory participation ......
Originally Posted by Ronald W. Reagan: Government is not the solution to our problems; Government is the problem.