Need Help. Gauges don't work and weird code

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TomAntion

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Don't know
New here. Thanks in advance.

Vehicle:
2002 Ram 1500 4wd 34K Original miles.

What happened:
Obviously, the truck doesn't get used much, but I try to start it once a week.
Dog got sick and I didn't start it for a month.
Old battery totally dead.
Jump started and in the beginning wouldn't idle. I ran it for 20 minutes with my foot on the pedal, turned off and back on several times. Eventually it would start and idle.
Even though it would start and idle, all the gauge indicators were lit up, but the gauges don't work. Strange code where the odometer is. (see picture). Headlights and taillights on even though light switch is off.
I put in brand new battery. No changes.
Anyone have any ideas of what's wrong?
Thanks.
 

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GTyankee

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no bus, take the train j/k

A Bus is communication, it is short for Can Bus

If you have a battery charger, i would disconnect the Negative battery post & charge the battery
 

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