• Tiny
  • safetyrich
  • 2000 Dodge Dakota
  • 6 CYL
  • automatic
  • 94,000 miles

2000 dodge dakota. Diagnostic check returned "1491 radiator fan relay circuit". I think that fan also works with the ac system and the ac works fine. Someone said maybe PCM is problem. Signal goes through same relay for cooing system? Help before I buy a PCM. Would reflashing maybe fix it.

Wednesday, May 11th, 2011 AT 11:02 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,808 posts

The cooling fan relay code has nothing to do with the PCM being bad. You need to test all the inputs and outputs to the relay.

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Wednesday, May 11th, 2011 AT 11:53 PM

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