Santa Fe limp home mode is half the power of the 2.0.
When a set of conditions have been met that cause the transmission to try and preserve itself from a catastrophic failure, it can be called limp mode.limp mode will cause the transmission to shift hard most of the time.The vehicle may only operate in certain forward gears.It's important to fix limp mode.It is only meant to get your vehicle to the dealer without a tow.There is more on what causes limp mode.
To fix limp mode, we need to know if the transmission has entered it in error or not.It's the easiest way to turn the vehicle off.If it is still limp after you fire it back up, you have to address the underlying problem.
If you left the vehicle turned off for a minute and it was still in limp mode, the two most likely fixes are Wiring Issues or an issue in the case.
The wiring that goes to the transmission is a great place to start.If the transmission isn't getting signal, it's not going to know what to do as far as shift points, how fast the vehicle is going, and the speed of the engine.Nothing.It will default to a gear that is tall enough to pull the vehicle at a safe speed, but also allow it to move.
If you want to fix the limp mode transmission, you should look at where the wiring harness plugs into the transmission itself.It can take a lot of damage from debris on the road and the elements, which makes it a good candidate for having something go wrong.
If it is loose, give it a jingle.You will want to take a look at it to see if it has been damaged.