Chrysler P1487: High Speed Radiator Fan Relay Circuit Failure

Is your scanner showing Chrysler P1487?
No worries. We'll show you what it means and how to deal with it.

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OBD Codex, Administrator

Chrysler P1487: High Speed Radiator Fan Relay Circuit Failure

DIY Difficulty Level
Repair Cost
Can I Still Drive?
Yes (Short-term only)

What Does The Chrysler P1487 Code Mean?

Key on or engine running; system voltage over 10.5v, and the PCM detected an unexpected voltage condition on the High Speed Radiator Fan Relay control circuit during the CCM test.

What Are The Potential Causes Of The Chrysler P1487 Code?

  • HFAN radiator relay control circuit is open or shorted to ground
  • HFAN radiator relay power circuit is open (test power to IGN)
  • HFAN radiator fan 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 P1487, DTCDECODE.

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