That did not take long-8l90 8-speed automatic transmission on 2015 Corvette C7 Stingray and Z06 already has serious issue

Wow, this must be some kind of record for +General Motors , with barely a month into selling 2015 Stingray with "better than PDK" 8-speed slush box.  Certainly, there should not be any problems with the auto equipped Z06 though?  LOL  Of course this problem is not related to the overheating issues that most likely will be showing up when the weather warms up again, in Spring.

Great fun as usual with +Tadge Juechter and his creations.

Service Bulletin
GM Bulletin No.14628
 Date: September 2014

SERVICE UPDATE

 SUBJECT:  Service Update for Inventory Vehicles Only  Drive Audit for Transmission Noise
                     and   Loss of Reverse

 Vehicle Limited to 3rd and 4th Forward Gear

 Expires October 31, 2015

 MODELS: 2015 Chevrolet Corvette Equipped with 8 Speed Automatic Transmission (M5U)

 This service update involves vehicles in dealer inventory only and will expire October 31, 2015.
This bulletin provides a service procedure to perform a drive audit on all 2015 model year Corvette vehicles in inventory that are equipped with an 8 speed automatic transmission (M5U). A small number of transmissions may develop a crack in the triple clutch housing internal to the transmission, leading to noise, loss of reverse gear, and limiting the driver to 3rd and 4th forward gears. The drive audit must be completed before vehicle delivery (and in addition to normal pre-delivery inspection activities) to identify vehicles with the condition. If the condition is found, dealers are to replace the transmission under the existing exchange program, see PIP5200A for details.