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I have a 2008 gmc duramax. Truck has been running fine. Parked it in driveway last night and when i went to leave this morning i had no forward or reverse. i washed the truck last night and it is minus 20 outside. check engine light is also on. any ideas???
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This is a devious problem which could lie anywhere. So many things not functioning would perhaps be a ground problem. Maybe take some extra care in cleaning the battery terminals, check if the ground wire is connected to the chassis. Do you have rodents in your area? Maybe they nibbled some wire somewhere?
sounds like water ingress to either a control module or the coil pack, check all control box locations eg footwells for water and then check the engine bay for loose or naked wires, dry and clean and possibly cover with a plastic bag etc and it should be fine.
not positive but look in owner manual for a fuel pump reset button i had this problem at one time and that fixed it it is usualy under the dash area somewhere on the drivers side or in a kick panel (decorative cover on the side firewalls inside the cab)....good luck i hope this helps!
thawed it out the next morning-reset codes to standard-viola-all is well. seems ice found its way into switch@transfer case and ran the chips riot-sending tranny into limp mode. cold weather,rrrrrrrrrrrr. june can't come soon enough. thanks anyway
what is the (revolutions per minute) rpm of your engine when the torque converter engages, was the torque converter rebuilt too? what type torque converter is in the ford ie low stall where it engages the gear box at around 900 to 1000 rpm. has there been any power band adjustment by the company that rebuilt your automatic transmission after the insallation.
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