Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the P1491 Dodge code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The Powertrain Control Module (PCM) has detected an open or shorted condition in the radiator fan relay circuit
With the key on or engine running, system voltage over 10v, fan relay commanded on, the Powertrain Control Module (PCM) sets the Diagnostic Trouble Code (DTC) when it detects a shorted or open condition in the relay control circuit. Test the fan relay resistance (it should be 30-70 ohms).
Need more information on how to fix the P1491 Dodge code? Get Access to Factory Service Manuals
Get the P1491 Dodge code diagnosed by a professional: Find a repair shop in your area