I have a Mitsubishi Lancer 2008, and there was a power drain while the car is asleep of about 1.4Amps. I removed the Bluetooth module and the drain decreased to 1Amps. Now after testing every time I remove fuse No.8 from under the driving wheel the drain drops to about 0.2Amps.

I couldn't tell what the exact issue is.

 

I had that exact same issue. It was killing my battery overnight so i was pulling the fuse (which IIRC is for the stereo) every night and putting in every morning

Replaced the battery and didn't worry about it again after that. Not entirely sure if the drain is still ongoing but i can leave the car for 3 weeks and it fires right up