5-3 downshift slam after Gogo install

[bigric]

I installed the Gogo direct solenoid about 700 miles ago to resolve the 3-5 shift flare, which it did. Now, however, when I do a 5-3 downshift under light throttle, it holds 5 and then slams hard into third. Has anybody else experienced this after their install?

On edit: It's done it with the fluid temp anywhere from 70-165 degrees.

[DoubleDpsd]

From my experience that solenoid can fix an issue for a period of time before it eventually exposes what is actually wrong with the transmission.

Gonna want to read codes if no codes might consider a new trans.

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