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Re: P2175 Sudden downshift to 1st gear 6L-80
Posted to Transmission Forum on 3/10/2021

I have had better luck with jasper than dealer by far. We build most transmissions and install very few engines. I have had 2 gm engines with issues straight from the beginning, 1 ford trans didn't make it off the lift, another ford trans failed in the 1st 100... Login to read more.