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Old 05-30-2017, 09:56 AM   #1
Rich84
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Join Date: Mar 2012
Location: Woodbury, Ct.
Posts: 1,668
4l80e No Overdrive

New Ls swap..When I drive the truck at initial startup it shifts fine. Park the truck for a few minutes and drive it again and it will not shift into 4th gear.

The fluid was not too clean when I dropped the pan to change the filter.

It also seems like it might be starting in 2nd gear sometimes.

P0753 shift solenoid is the only code.

Is it as simple as replacing the solenoid?
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