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Greetings, On a number of occasions if my passenger opens their door before the driver I loose all functionality with the screen. Audio goes off and recently even the Nav was bricked. Anyone else noticed this? The only remedy I have found is to stop the car, turn it off and open the drivers...

Thanks for your responses. The good news is Bertha lives! A gentleman named Joe with ProCal4 folks called me this afternoon, I think from home, and very easily walked me through a series of steps to fix the problem. Joe was super friendly and his directions were easy to follow. Loaded up the...

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That would be too easy. That was my first thought as well however the ProCal4 just says no ECU found and is the key on? So the device cannot load anything as it thinks there is no ECU to connect to. Thanks for the response though.

I killed my Bertha...... I did just what everyone worries about. I did the ProCal4 performance calibration on my 2022 Explorer ST yesterday. The first steps went fine. Software downloaded to the PC then to the ProCal4. Attached the device to the ST and it downloaded my factory info fine...