Chevy and GMC Duramax Diesel Forum - View Single Post - L5P RPM surge during decel
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post #3 of (permalink) Old 07-30-2019, 09:11 AM
MIkey52
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Join Date: May 2018
Posts: 844
L5P RPM surge during decel

If you had a monitor to see what actual gear you are in, you would probably see that itís downshifting as you slow down. Mine does it too. Then at some point decelerating through 2nd gear and before it shits to 1st the torque converter unlocks.

Last edited by MIkey52; 07-30-2019 at 09:14 AM.
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