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Dealing with transmission issues like shuddering or a check engine light?

It might be the TCC PWM solenoid.
This is a brand new, direct replacement solenoid from MadHornets, and it's a common fix for a bunch of GM transmissions from the mid-90s up to 2012.

We're talking 4L60Es, 4T65Es, 5L40Es, and more.

The part number is 24227747, and it also crosses to 77942.
It's a metal-bodied unit, just like the factory one.
If you've got the pan off already, swapping this out is a straightforward job.
It's a single solenoid, ready to go.

Get that lock-up working right and smooth out your shifts with this simple fix.

4 out of 5