r/Cadillac 2d ago

How has GM not fixed the 10-speed?

I genuinely don’t understand how this transmission is so bad? I had the dreaded valve body issue, and instead of waiting on a list 3500 deep, I got a full OEM transmission swap as I am still under warranty.

The new one still occasionally lurches when downshifting, and consistently hunts for gears.

How has GM stayed competitive when their transmissions are just….bad? Even my Ford with the same 10 speed is significantly better.

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u/YellowT-5R 2011 Esky ESV AWD / 2011 Esky / 2̷0̷2̷3̷ ̷C̷T̷5̷ ̷B̷W̷-SOLD 2d ago edited 2d ago

Honestly it's a software issue in my opinion. There are other trucks and performance cars that use the same exact trans that don't have the issues this has.

I'm sure a tuner somewhere will eventually look into it and fix it for them.