Lack of rotation, aggressive driving, or a worn steering/suspension component.
Check the tie rods and ball joints.
Worn shocks and/or struts will cause cupped tires. There may be another suspension or chassis component worn, but the shocks/struts are the first components that should be inspected.
Firstly the most important information to choose your tires on would be the information related to the tire's fittings and size as it is imperative that they are correct for your Dodge Caliber to prevent damage to the car. It is also important to take into account the ratings available in relation to the durability of the tires. Lastly ratings on how the tires handle and look will be important for your personal preference.
depends on the tires on it. it says on the sidewall of the tire what it should be inflated to
IF all tires are at the correct pressure and the light is still on, there is a failure in one of the sensors.
Bad alignment
Yes. More than likely there is also some kind of mechanical issue as well, you need to get this fixed or the same thing will happen to your next tires as well.
Tires/wheels out of balance?
it not a question of if the tires will fit the truck, it is if the tires will fit the rim on the 04. check if the rims are the same size
The light will reset itself if the system is working properly and the tires are at the correct pressure. If the pressure is correct and the light is still on, you need to take it in for service.
15 inch tires are standard.
the tires themselves.
yes 13000 miles both front tires inner wear.running 35 psi