My 06 LR3 is pulling the following codes P0340, P0579, P0345, P0489, it had been hesitating when driving up hill prior to today and today it will not start and only makes a clicking sound when you try to turn the engine over. Has anyone else pulled these same codes in conjunction or have any ideas on what to do to fix it?
Thanks in advance

 

I dont know what those codes mean, but it sounds like a dead battery for starters.
Some cars will throw all kinds of trouble codes when the battery voltage gets to low.

 

Most of us only land disco codes, i have never come across lr3 codes and wold suggest you do a google search for them. As spike has mentioned, remove your battery and go get it charged first

 

I had a Oldsmobile that when the battery went bad it spit and sputtered, every warning light on the dash came on (except the battery light) and it threw the check engine light and several codes, then died.
I am just throwing info your way, that may or may not be your problem but worth a check.