In reply to Louis Annino.

You can file a complaint with the NHTSA https://www-odi.nhtsa.dot.gov/VehicleComplaint/

Including today, I’ve taken my 2015 Escalade ESV in to the dealership 4 times for this shuddering Torque Converter issue. They just called me back and said its ready. When I asked what they did this time to correct the problem that said the updated the transmission codes and changed the fluid AGAIN. This makes four times in the last 2 months they’ve updated codes and changed the transmission fluid on a 3 year old Escalade with 16,000 miles on it. WTF? How about replacing the Torque Converter? I’m beginning to think they’re waiting for the warranty to time out so I’ll have to pay for it. Any suggestions?

[…] also works with less specificity. I found the following page that is directly relevant to the 8L90:http://ww7.oemdtc.com/3397/torque-con…-chevrolet-gmc It reads, in part: These vehicles may have a condition in which transmission calibration allows a […]