Want start after changing battery - 2001 Jeep Grand Cherokee

That is indicative of the anti-theft system preventing starting. Is the Security Light on?

Changing the battery is easy.

https://www.youtube.com/watch?v=f23BHU0MgOE

This says a dead key fob battery prevents starting so change it Tara and see.

Honda Pilot won't start - causes and how to fix it - WheelsJoint ...

https://www.wheelsjoint.com > Troubleshooting
Dec 10, 2020 - The most common causes that hinders normal starting operation of your Pilot are dead key fob battery, dead 12v battery, corrosion on battery ...

What if you borrow battery to your friend try it,after starting you can change the battery and don't switch it off before you change the battery

Security light staying on? reset it. Ten minutes on, thirty seconds off. Try to start. Relearn is three times this. Start after the third time.

Is there any warning lights showing on the dash ?

The battery light indicates that there is a problem with the charging system. It

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

If it's a battery issue, then change it as a starting point.

Then drive it to Sears or Walmart or your local garage to determine the condition of the starting, charging and battery systems with their equipment.

Batteries last only 3 years on average. If it's the original battery then that could be the culprit.

Check fuses.

One of the red wires on your battery works the power to the ignition.
If a wire has melted it`s insulation, the wire could be burnt out.
Also, repeated starting attempts will cause the wires to get very hot.
Why did you change the battery ? Was it just flat or didi you have this problem before you changed it.?

possible bad battery , or discharged battery , check alternator output,jump start car