engmann18 Posted November 27, 2021 Share Posted November 27, 2021 Please forum members I reflashed my pcm after it was tuned by the previous owner and after the reflash I had p161B which is preventing the vehicle from starting. I connected the car with IDs but car refuses to grant access to pats after the putting in credentials and waiting for 10minutes. The message I get is safety check failed. What should I do to resolve this issue please I need help Quote Link to comment Share on other sites More sharing options...
unofix Posted November 27, 2021 Share Posted November 27, 2021 Only Ford main dealers have full access to PATS on vehicles of your age. Of course before you did the reflash of your PCM you will have saved the file first so you will be able to restore that. You did back it up first, didn't you ? Quote Link to comment Share on other sites More sharing options...
engmann18 Posted November 28, 2021 Author Share Posted November 28, 2021 I downloaded the asbuilt file from motorcraft site so I did not back up the pcm file Quote Link to comment Share on other sites More sharing options...
unofix Posted November 28, 2021 Share Posted November 28, 2021 oh dear ! Quote Link to comment Share on other sites More sharing options...
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