mobile-menu-icon
GM Authority

Reply To: 2021 6.2L Trail Boss Noise when downshifting coming to a stop

October 15, 2021 at 7:15 am #675781
Ayr Head
Participant

You can put it into L9 and it still shifts it self from what I have seen. Not 100 percent if you punch it if it will but seems to shift still driving normal.

Subscribe to GM Authority

For around-the-clock GM news coverage

We'll send you one email per day with the latest GM news. It's totally free.