Learning Mode ?
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Fleet Mechanic
Joined: Oct 2012
Posts: 1,830
Likes: 253
From: NorCal
Learning Mode ?
I have heard over the years with the 10 spd transmission and again with my new transmission replacement, That there's a learning phase.
My question is, what exactly is the transmission learning? My driving style? Ive been taking it easy with the new trans but I consider myself rough in my normal driving. So is it better for me to drive is like I do? (Heavy gas foot and brake )
My question is, what exactly is the transmission learning? My driving style? Ive been taking it easy with the new trans but I consider myself rough in my normal driving. So is it better for me to drive is like I do? (Heavy gas foot and brake )
Lead Driver
Joined: Nov 2005
Posts: 8,459
Likes: 4,955
Drive it as you normally would.
The trans tcm learns how the truck is operated and adjusts to it.
It is a constant process too, it doesn't stop after a time, keeps learning through its life, but after a while the adjustments get less and less.
A tech can reset the learning mode to make it start over as part of a repair process.
And, at first the trans operation can be rough, but smooths out as it learns.
The trans tcm learns how the truck is operated and adjusts to it.
It is a constant process too, it doesn't stop after a time, keeps learning through its life, but after a while the adjustments get less and less.
A tech can reset the learning mode to make it start over as part of a repair process.
And, at first the trans operation can be rough, but smooths out as it learns.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
Likes: 2,642
From: SE Florida
Every transmission is a bit different. We programmed nominal shifting pressures that will work fairly well on most transmissions. Until learning was invented just before the turn of the century that was how all transmissions were programmed, and that programming had to last for the life of the vehicle.
As clutches wear the pressure required to maintain the same slip time will change. Also, the pressures that the clutches see vary as the solenoids, pump, and seals wear over time. The learning looks at how long the clutch slips during a shift and changes the pressure for the next time that shift happens to get the slip time back to the nominal slip time that an engineer like me programmed into the computer.
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