Depending on the length of time the power was interrupted, your system may require GPS initialization.

If initialization is not necessary, the system proceeds directly to the Startup Confirmation screen.
If the system fails to locate a sufficient number of satellites to locate your position within 10 minutes, the following screen is displayed.

If you are experiencing GPS reception problems:
HFL Menus
The ignition switch must be in ACCESSORY
or ON
to use HFL.
To use HFL, you must first pair your Bluetooth-compatible cell phone to the
system while the vehicle is parked.
Phone Setup
...
Output Shaft (Countershaft) Speed Sensor Replacement (M/T)
M/T
Raise the vehicle on a lift.
Disconnect the output shaft (countershaft) speed sensor connector (A).
Remove the output shaft (countershaft) speed sensor (B).
...
Transmission End Cover Transmission Fluid Pressure Switch Replacement (A/T)
Remove the transmission fluid pressure switch A (2nd clutch) (A).
Make sure there is no water, oil, dust, or foreign particles inside the
connector.
Install the new tr ...