having a strange problem here. I recently replaced a blown tail light bulb on my malibu. I then noticed that next time i went to drive it. the service vehicle soon light is on. (not the check engine light). ive read that this light can mean a host of problems. the headlights work on both high and low beam. the tail lights and brake lights work fine from what i can tell. the only problem i can really notice is that when i press the brake pedal, the odometer dims. and the button for the foglights acts very strange. i have to hit it multiple times for it to work. the odometer will brighten back up after i move the gear selector out of and back into park. the issues definately seem to start when i press the brake pedal. the ignition has been replaced some time in the past. the only thing i can think of would be the BCM. just trying to avoid going to a dealer if i can just to find out what the problem is. my scan tool cannot find any codes stored on the vehicle. any thoughts?