Dodge ram red lightening bolt

I will assume its alternator not charging, if it died like you said

Can you mess it up by topping off the gas tank would that screw up the throttle

I changed fuel pump-worked. Removed truck bed with help. Easy access to fuel pump.

This happen to me today..... A red lighting bolt was flashing on the dash. My truck would not rev and go faster. It seem as if hitting on the gas pedal did not make the truck run..... It kept itself at a minimum average speed of 35-40mph. It end up being the throttle body. You see what going on with this newer models. They don't have the same concept like the older model vehicle have. Where you can open the hood and pull on the throttle body string to accelerate the engine. Well this newer vehicle are equiped with an electric throttle body. So when you hit the gas pedal. They computer is not getting the signal that your are pressing on the gas pedal. In that case it's idel-ing on its own.

I have a 2004 Dodge Hemi power steering goes out whenever I'm at low RPM what's the problem

the lightning bolt on my 2004 doge 1500 is coming on its like my truck is jerking and i just changed the throttle body what could it be do it need to be reset