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ECU output shutting off

Hey everyone, I am having an interesting issue. My ECU keeps randomly restarting. I have included a video of the issue. The HS Status on the output goes to 4 which is not listed in the manual anywhere, and the output does not show tripped. I have already replaced the entire engine harness to the ECU. Does this seem like a PDM issue or the ECU itself? Any input would be greatly appreciated!


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