rap Posted March 27, 2018 Share Posted March 27, 2018 We did a clutch job after which we did a test run and everything was fine,only to comeback the next morning and it won't crank at all. The display diagnostic can't read the engine ecm(operation failed) and the VECU and cluster give psid 200 fmi 9. We put the starter, relay and key switch on another vehicle and it started fine. I need help on what to do next because I don't have any schematics. Quote Link to comment Share on other sites More sharing options...
rap Posted March 29, 2018 Author Share Posted March 29, 2018 we finally swapped the ecm from another truck and it started. my question is what went wrong. someone please give me some hint, can the ecm be repaired. Quote Link to comment Share on other sites More sharing options...
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