My 2006 Jeep Wrangler Unlimted has lost it's day time running lights. Also my interior lights will not switch on and my dash lights will not adjust. Could it be the light modual?

My other shoe falls to the floor and car drives perfectly with head lights on , even high beams and full brightness?????

are you in CANADA we are in USA
so if on CANADA< say so. so we can answer and not lie to you,
hint your service book is not ours.
why not get the car serviced
are you a mechanic with a shop full of tools>
check fuses yet, thats about all you do but here ill list some.
generic. world wide rules on DRL is by LAWS in your unstated country.

1: brakes lamps in cluster on. any of them.
2: CHARGE lamp glowing there (aka. battery or GEN or?)
3: check fuses, first.
4: scan it, get it scanned have it scanned (posted this 1,000,000 times here, )