r/Cadillac • u/jhoke1017 • 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/Particular_Apple_652 2d ago

Mine was giving me problems for months, though no codes or CEL so no one believed me and told me it was how I was driving the car lol….finally went to limp mode and CEL…got full transmission replacement by pressuring my dealer….new transmission feels slightly better maybe but not great

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u/jhoke1017 2d ago

Same exact thing happened to me. Slightly better, but not great. Would love to test drive a 2025 to see if this is just how it is, or what. Needless to say I’ll be selling her once the powertrain warranty is up

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u/Particular_Apple_652 1d ago

I actually had a loaner of a 2025 for 3 days when I first brought my car in months ago….felt like a different car from a different company…go test drive one and see

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u/jhoke1017 1d ago

Was it a CT5?

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u/Particular_Apple_652 1d ago

Yes I have a 23 and they gave me a 25 loaner…totally totally different

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u/jhoke1017 1d ago

Interesting. I’ll have to give that a try. The loaners I got were both XT5s. The transmission was smoother, but not butter by any means