Transmission Slip Out Of Gear problems of the 2015 Acura TLX

The vehicle unexpectantly shifted out of drive to neutral while going up an inclined road at about 45 mph. The background of the neutral gear "n" indicator was yellow. Engine power was lost for approximately 5 seconds and then recovered when the transmission shifted back to drive without any intervention. I don't recall seeing any kind of error message when this occurred, but it is possible it could have been missed while I was frantically trying to figure out what was happening. After researching this issue on the internet, I discovered that there was a safety recall (16v640000) for a similar consequence which only applies to select vins. My particular VIN is not part of the safety recall. The performance of the transmission has always been worrisome. I am the original owner. The transmission rarely shifts smoothly going from 1st to 2nd and 2nd to 3rd gears even after multiple attempts to get this corrected at my auto dealership. It is still not satisfactory, and this latest episode just adds to my consternation. Acura has provided an extended warranty for transmission failure if it is related to the atf warmer. I expressed the issue and my concerns with Acura. The case number is not officially open until the issue is diagnosed by an Acura dealership.

1. Step on accelerator and the car jolts forward like it is in the wrong gear or you slam the accelerator, or the clutch is released rapidly. Jerks one’s head back. 2. Come to a stop, transmission downshifts hard causing the car to lunge forward overpowering the brake. (engine at idle). Most of the time it feels like someone has tapped you from behind. . When it occurs it is usually the first 2-3 times I come to a stop in a trip. 3. Driving on level or slight decline, let off accelerator and slow to make a turn to go up a hill, step on accelerator as you transition uphill transmission slips out of gear (as if you are holding the clutch in and releasing it too slowly) then searches for the correct gear required to go up the hill and accelerate. (engine near idle) 4. Most of my driving is in the city. . Stop and go. . Slow and go. . .

The car has a had a hard or delayed shift from reverse to drive when cold from the time I bought the car, but last week the car slipped/shifted out of gear like it was in neutral when I accelerated from a stop to go through an intersection. The car was in economy mode at the time. Acura did an update on the transmission for hesitating and lurching around January 15, 2015. The car is at the the dealership now.