Chrysler P1491: Radiator Fan Control Relay Circuit Malfunction
Is your scanner showing Chrysler P1491?
No worries. We'll show you what it means and how to deal with it.
Chrysler P1491: Radiator Fan Control Relay Circuit Malfunction
OVERVIEWWhat Does The Chrysler P1491 Code Mean?
Key on or engine running; system voltage over 10.5v, and the PCM detected an unexpected voltage condition on the Radiator Fan Control Relay circuit during the CCM test period.
What Are The Potential Causes Of The Chrysler P1491 Code?
- Radiator fan control relay circuit is open or shorted to ground
- Radiator fan control relay circuit is open (test power to IGN)
- Radiator fan control relay is damaged or has failed
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Dorman 921-300 Engine Cooling Fan Motor Relay
>>> Cardone 79-4407 Remanufactured Chrysler Computer (Renewed)
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Chrysler P1491, DTCDECODE.
