P1491
SYMPTOM
P1491 - Radiator Fan Control Relay Circuit
POSSIBLE CAUSES
An open or shorted condition detected in the radiator fan control relay control circuit. This includes PWM solid state relays. The manufacturer doesn't provide any further information regarding this code.
NOTE: This vehicle is not equipped with Radiator Fan Control Relay, however the vehicle does have a Condenser Fan Relay.
http://dodgeram.info/tsb/2002/08-015-02.htm