F430 gearbox F1 Error
since a few days i have a gearbox error on my F430. I drove and the red light and the signal appeared.
Then out again and after a few minutes again the red light and only first and second gear.
I checked the code: P2791
I checked the F1 oil level and it was a little bit too low.
I filled in some oil....to 5mm like in the workshop guide.
Then i startet the F430 a few times and the error was gone. I drove 30min...everything fine. Then error again.
I checked again the level...a little bit too much. My error. Maby i filled in too much. 5mm again.
Then error again after 4-5x starting the engine the error is off.
I drove 1 hour...eveything fine. On error. I parked at home with on error.
But one day later i tried to start the engine and the error was there again.
Oil pump starts evey second shift procedure.
Also at opending the door the pump starts for 2-3sec.
Relais is not hot.
Can you help me please? Any ideas?
Thank you very much.
Take her to someone with an SD3 or equivalent who really knows what they are doing and have them analyze the problem. While they are at it have them change the F1 fluid (every 3 years), bleed the system, check for leaks, and do a self-test with the SD3.
I have now another pro diagnostic tool:
The error on the gearbox is P1742
That should be the potentiometers right?
Daniel- What David was trying to tell you is that an amateur diagnosing an F1 issue is a lot like a dog watching TV. Something is going on, but not sure exactly what it is. If it is a potentiometer, it will likely take an SD3 to replace it and then reset the system. Odds are she still needs servicing at any rate, and your tools are not going to bleed the system or do a system self-test/relearn after the fluid is changed.
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