It sounds like the PCM is bad, I would send it out for testing here is the location so you can check it out, you can get a preprogrammed unit by searching Google or Ebay. Here is more information:
The P0725 error code in an automobile diagnostic reading represents an issue with the "Engine Speed Input Circuit".
Check out the images (below). Please let us know how it goes.
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Monday, June 26th, 2023 AT 6:48 PM