PCM reflashing

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smargtp78
Posts: 1
Joined: Thu May 16, 2019 9:58 pm
Vehicle: fiesta 1.6l 2014

PCM reflashing

Post by smargtp78 » Tue Aug 27, 2019 5:21 pm

I have a 2014 Fiesta that I had the original PCM reflashed. When I reinstalled the unit back in the car the starter would not engage( turn over). I checked and found that the pcm was not communicating with the immobilizer module. The pcm is being reflashed back to stock config and hopefully all will be well. The person that reflashed my pcm has done a few other earlier cars and was successful, mine was the first '14 he has done. Does anyone have some thoughts on what the difference is in the comms of the early and late pcms or could it be something else I might have missed when I checked for problems using Forscan?

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