There are some steps to do once you flash and get everything wired up.
I am in the same position as you - just came across this and it helped a lot:
I had to change my startup code a little bit to warm up. The steps to get calibrated and stored to eeprom worked, but the startup ended up being cold.
Here is my draft at startup code:
Startup G Code Travis Hybrid
; This gcode has been hacked together by Jason to incorporate ABL
M73 P0 ; clear GLCD progress bar
M75 ; start GLCD timer
G90 ; absolute positioning
M82 ; set extruder to absolute mode
G92 E0 ; set extruder position to 0
;TravisRemoved;M140 S{bed_temperature[0]} ; start bed heating up
;TravisRemoved;M190 R{bed_temperature[0]} ; wait for bed to get to temp
M190 R{material_bed_temperature_layer_0} ; start bed heating up
M109 R{material_soften_temperature} ; soften filament before homing Z
M104 S160; start warming extruder to 160
G28 ; Home all axis
G29 A ; enable ABL
G29 L1 ; Load saved mesh from bank 1
G29 J3 ; 3x3 point tilt mesh
;TravisRemoved;M109 R{first_layer_temperature[0]} ; wait for extruder to reach printing temp
M117 Heating… ; progress indicator message on LCD
M109 R{material_print_temperature_layer_0} ; wait for extruder to reach printing temp
M190 R{material_bed_temperature_layer_0} ; wait for bed to reach printing temp
M117 TAZ 6 Printing… ; progress indicator message on LCD
; END_START_GCODE