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DTC P0480

Tiny
HUGOL
  • MEMBER
  • 2011 DODGE CARAVAN
  • 3.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Dtc p0480 show I check fuse ok relay ok coolant fan work only low speed don't work still high speed if I'm disconnect de high relay speed low speed work I cant found fan speed control module
Tuesday, August 4th, 2015 AT 2:44 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,644 POSTS
Have you checked all of the following?

Fan control relay
control relay harness for open or shorted wiring
control relay circuit for poor electrical connection
the cooling fan itself
cooling fan harness for open or shorted wiring
cooling fan circuit for a poor electrical connection
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Saturday, August 8th, 2015 AT 5:39 PM
Tiny
MALLYBOY
  • MEMBER
  • 305 POSTS
This is the power source from the ECM to the Radiator Fan Control Relay has malfunction, circuit/driver is faulty. So replace ECM and program it and the problem solve
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Sunday, September 5th, 2021 AT 11:03 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,644 POSTS
Hi and thanks for the info. It's appreciated and will likely help others in the future.

Take care,

Joe
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Sunday, September 5th, 2021 AT 6:37 PM

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