Originally Posted by stewari

Thanks a lot Jim & Bob. It all makes little more sense now.

May be I messed some wiring back in Oct 2014 as I was installing antenna bypass FM modulator (iSimple IS31 Antenna Bypass FM Modulator at Amazon). I'm not 100% sure how much after CEL came on but it definitely has been on at least since early 2015 - iirc I did not disconnect battery before I started installing the modulator. I remember seeing a spark close to wires near the small digital clock above ac controls - light to digital clock went out after that, my wife says many of the lights behind the cabin climate control buttons also went out at the same - eventually most of those cabin climate control lights came back when I jumped some pins on climate control board to fix the problem on a/c button not working following instructions from one of the forum threads. Light to digital clock remains out as does the light behind vent open/close button. May be wiring to temp gauge got frayed also.

Anyways, I was thinking I won't get transmission leak fixed (I see only 3-4 drops show up on the garage floor in last 1 week) but I guess I'll let the mechanic take a look - he was saying it'll be depending on where leak is it'll cost either ~$400 or ~$1500 and that he can tell which of the two it might be once he puts car up.