2004 HYUNDAI SANTA FE COOLING FANS NOT COMING ON HIGH WITH

  • Tiny
  • frankrp
  • 2004 Hyundai Santa Fe

Air Conditioning problem
2004 Hyundai Santa Fe 4 cyl Front Wheel Drive Automatic 80000 miles

My engine ecm is not giving a gnd signal to cooling fan relays #1 and #2 to turn the fans on high with the a/c. Can you tell me if I can install a used computer without having to bring it to the dealer, would like to try it at least for t/s purposes. Warrantee over on ecm Hyundai telling me I have to bring it to them. Thanks Frank.

Friday, September 3rd, 2010 AT 9:42 AM

1 Answer

  • Tiny
  • Dave H
  • Expert
  • 13,547 posts

A replacement computer needs to be reprogrammed i'm afraid. A dealer will have to do this for you. It could be a faulty engine coolant temp sensor causing the fault. Not giving correct signal to ECM

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Thursday, September 16th, 2010 AT 7:20 PM

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