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Car didn't move after start
Dear experts,
I got a trouble with my Panamera 2015, which is around 57kmiles. In a day, the car was parked in a flat surface, and I started the car and moved the gear to drive. But the car didn't move and was slightly shaking front and back when acc pedal was pressed. No error messages in the dash. I turned off the car and turned it on again, and then it worked normal. I have been testing the car for a week but couldn't reproduce the same issue again. After the failure, I scanned with iCarsoft, but couldn't find any error messages. I read some other threads to talk about transmission rod sensor error, but in this case, my understanding is that "transmission fault" is displayed in the dash. Also if it's transmission error, I guess that it's behaving like a neutral and the car may not shake. I checked brakes and parking brakes, but didn't find anything abnormal. The only thing which has recently changed was that I changed the battery DIY two weeks ago. It's not OEM battery but it was registered. In cranking the battery voltage is dropping to 11V when it is measured with multimeter, and it drops to 8.7V in ODB read. Can anyone give me any suggestion what I can check to find any clues? Thank you so much in advance! |
Originally Posted by 6speedis
(Post 4923322)
Dear experts,
I got a trouble with my Panamera 2015, which is around 57kmiles. In a day, the car was parked in a flat surface, and I started the car and moved the gear to drive. But the car didn't move and was slightly shaking front and back when acc pedal was pressed. No error messages in the dash. I turned off the car and turned it on again, and then it worked normal. I have been testing the car for a week but couldn't reproduce the same issue again. After the failure, I scanned with iCarsoft, but couldn't find any error messages. I read some other threads to talk about transmission rod sensor error, but in this case, my understanding is that "transmission fault" is displayed in the dash. Also if it's transmission error, I guess that it's behaving like a neutral and the car may not shake. I checked brakes and parking brakes, but didn't find anything abnormal. The only thing which has recently changed was that I changed the battery DIY two weeks ago. It's not OEM battery but it was registered. In cranking the battery voltage is dropping to 11V when it is measured with multimeter, and it drops to 8.7V in ODB read. Can anyone give me any suggestion what I can check to find any clues? Thank you so much in advance! |
Thank you for the information @Chefbill! I couldn't see any issue so far even I didn't change the transmission oil. Your pana seems to be very similar as mine. Do you experience any abnormal transmission behavior, such as feeling rough transmission change?
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Originally Posted by 6speedis
(Post 4930395)
Thank you for the information @Chefbill! I couldn't see any issue so far even I didn't change the transmission oil. Your pana seems to be very similar as mine. Do you experience any abnormal transmission behavior, such as feeling rough transmission change?
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Replace your battery first. Without a fault code it will be complicated to carry out a diagnosis. I had the problem with the gearbox sensors and there was no shaking. I drove and an audible alarm sounded as well as a message with the 2 small gearbox gears in the dial, and no speeds indicated in the square at the bottom of the speedometer. At this stage the car was driving , I called the Porsche garage, they asked me to turn off and restart the engine and the car went into safety mode, at that moment it was impossible to move forward or backward. The next step is towing at a Porsche dealership.
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