Hello everyone, I'm Brad. I have been scratching my head over this one for a few days now. The other night parked my 02 C5 and heard the security light flashing. Got out and armed the vehicle and went inside. Before long the alarm was sounding. Thought maybe I set it off since it was in my pocket. Unlocked and armed again. Next morning the battery way dead. Recharged the battery and noticed the drl's, and interior lights will not shut down. Head lamps not on. After you tube and forum hunting I retrieved codes. B0502,B0507 & B2482 were current. All under the 40-bcm heading.
Now I'm not a car tech but an Hvac service tech. I was reading about the pellet in key and drl relay sticking, pulling relays and #2 approach 15 amp fuse. It almost seems that when the key is removed the ignition switch is not recognizing it. Although the door locks unlock. I think the security light is blinking and the lights are on to alert me to remove the key, which has already been done. Almost considering the BCM since the ignition seems to be acting ok with the key. Any thoughts would be greatly appreciated. Thanks!!!
Now I'm not a car tech but an Hvac service tech. I was reading about the pellet in key and drl relay sticking, pulling relays and #2 approach 15 amp fuse. It almost seems that when the key is removed the ignition switch is not recognizing it. Although the door locks unlock. I think the security light is blinking and the lights are on to alert me to remove the key, which has already been done. Almost considering the BCM since the ignition seems to be acting ok with the key. Any thoughts would be greatly appreciated. Thanks!!!
