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Hello like many others I now have the transmission failure. P1747 code. Will not shift at all. Will start just not shift. F1 pump comes on. When using the paddles you can hear something maybe trying to shift. My Autel 906 will get into most functions of the car but is really not telling me anything. When the problem started the car was driving fine and just came to a skidding stop and has not moved on it's own since. I have changed the f1 relay no change.
 

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F1 gearbox problems really need to be diagnosed by a pro with a knowledge of the system...The parts are fairly expensive and just throwing parts at it is not the way to go.....Jason
 

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Have a look at your "T" shifter, this error can be caused by having the selector stuck in reverse or it could just be a shifter fault altogether. It's possible to be -many- other things but sometimes, it's just as simple as this.

Hope this helps!

Best Regards,
 

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Hello like many others I now have the transmission failure. P1747 code. Will not shift at all. Will start just not shift. F1 pump comes on. When using the paddles you can hear something maybe trying to shift. My Autel 906 will get into most functions of the car but is really not telling me anything. When the problem started the car was driving fine and just came to a skidding stop and has not moved on it's own since. I have changed the f1 relay no change.
What was the verdict? The code is a reverse switch code, as mentioned earlier, so I want to see if this was indeed the case.
 
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ErikDiSomma
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